Home / 14,220.41-19,622.81-7,933.19

Finding the Fourth Proportional to 14,220.41, 19,622.81 and 7,933.19

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Solution

The fourth proportional to 14,220.41, 19,622.81 and 7,933.19 is: 10,947.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,220.41 : 19,622.81 = 7,933.19 : x
  2. Step 2: Convert to fraction form
    14,220.41/19,622.81 = 7,933.19/x
  3. Step 3: Cross multiply
    14,220.41x = 19,622.81 × 7,933.19
  4. Step 4: Simplify right side
    14,220.41x = 155,671,440.40
  5. Step 5: Solve for x
    x = 155,671,440.40/14,220.41
  6. Step 6: Final answer
    x = 10,947.04

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Half scale
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Double scale
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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.