Home / 25,631.28-38,428.46-15,750.14

Finding the Fourth Proportional to 25,631.28, 38,428.46 and 15,750.14

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Solution

The fourth proportional to 25,631.28, 38,428.46 and 15,750.14 is: 23,613.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,631.28 : 38,428.46 = 15,750.14 : x
  2. Step 2: Convert to fraction form
    25,631.28/38,428.46 = 15,750.14/x
  3. Step 3: Cross multiply
    25,631.28x = 38,428.46 × 15,750.14
  4. Step 4: Simplify right side
    25,631.28x = 605,253,624.98
  5. Step 5: Solve for x
    x = 605,253,624.98/25,631.28
  6. Step 6: Final answer
    x = 23,613.87

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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.