Home / 13,472.40-18,593.28-7,505.04

Finding the Fourth Proportional to 13,472.40, 18,593.28 and 7,505.04

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Solution

The fourth proportional to 13,472.40, 18,593.28 and 7,505.04 is: 10,357.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,472.40 : 18,593.28 = 7,505.04 : x
  2. Step 2: Convert to fraction form
    13,472.40/18,593.28 = 7,505.04/x
  3. Step 3: Cross multiply
    13,472.40x = 18,593.28 × 7,505.04
  4. Step 4: Simplify right side
    13,472.40x = 139,543,310.13
  5. Step 5: Solve for x
    x = 139,543,310.13/13,472.40
  6. Step 6: Final answer
    x = 10,357.72

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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.