Home / 25,614.70-38,422.05-15,117.10

Finding the Fourth Proportional to 25,614.70, 38,422.05 and 15,117.10

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Solution

The fourth proportional to 25,614.70, 38,422.05 and 15,117.10 is: 22,675.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,614.70 : 38,422.05 = 15,117.10 : x
  2. Step 2: Convert to fraction form
    25,614.70/38,422.05 = 15,117.10/x
  3. Step 3: Cross multiply
    25,614.70x = 38,422.05 × 15,117.10
  4. Step 4: Simplify right side
    25,614.70x = 580,829,972.06
  5. Step 5: Solve for x
    x = 580,829,972.06/25,614.70
  6. Step 6: Final answer
    x = 22,675.65

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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.