Home / 14,113.39-21,155.26-4,750.16

Finding the Fourth Proportional to 14,113.39, 21,155.26 and 4,750.16

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Solution

The fourth proportional to 14,113.39, 21,155.26 and 4,750.16 is: 7,120.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,113.39 : 21,155.26 = 4,750.16 : x
  2. Step 2: Convert to fraction form
    14,113.39/21,155.26 = 4,750.16/x
  3. Step 3: Cross multiply
    14,113.39x = 21,155.26 × 4,750.16
  4. Step 4: Simplify right side
    14,113.39x = 100,490,869.84
  5. Step 5: Solve for x
    x = 100,490,869.84/14,113.39
  6. Step 6: Final answer
    x = 7,120.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.