Home / 29,132.56-40,202.88-15,884.56

Finding the Fourth Proportional to 29,132.56, 40,202.88 and 15,884.56

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Solution

The fourth proportional to 29,132.56, 40,202.88 and 15,884.56 is: 21,920.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,132.56 : 40,202.88 = 15,884.56 : x
  2. Step 2: Convert to fraction form
    29,132.56/40,202.88 = 15,884.56/x
  3. Step 3: Cross multiply
    29,132.56x = 40,202.88 × 15,884.56
  4. Step 4: Simplify right side
    29,132.56x = 638,605,059.53
  5. Step 5: Solve for x
    x = 638,605,059.53/29,132.56
  6. Step 6: Final answer
    x = 21,920.66

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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.