Home / 14,440.75-19,928.24-8,153.13

Finding the Fourth Proportional to 14,440.75, 19,928.24 and 8,153.13

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Solution

The fourth proportional to 14,440.75, 19,928.24 and 8,153.13 is: 11,251.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,440.75 : 19,928.24 = 8,153.13 : x
  2. Step 2: Convert to fraction form
    14,440.75/19,928.24 = 8,153.13/x
  3. Step 3: Cross multiply
    14,440.75x = 19,928.24 × 8,153.13
  4. Step 4: Simplify right side
    14,440.75x = 162,477,531.39
  5. Step 5: Solve for x
    x = 162,477,531.39/14,440.75
  6. Step 6: Final answer
    x = 11,251.32

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Find fourth proportional to 7,220.38, 9,964.12 and 4,076.57
Half scale
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Double scale
Find fourth proportional to 14,441.75, 19,929.62 and 8,154.13
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.