Home / 25,683.08-38,471.56-15,120.56

Finding the Fourth Proportional to 25,683.08, 38,471.56 and 15,120.56

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Solution

The fourth proportional to 25,683.08, 38,471.56 and 15,120.56 is: 22,649.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,683.08 : 38,471.56 = 15,120.56 : x
  2. Step 2: Convert to fraction form
    25,683.08/38,471.56 = 15,120.56/x
  3. Step 3: Cross multiply
    25,683.08x = 38,471.56 × 15,120.56
  4. Step 4: Simplify right side
    25,683.08x = 581,711,531.27
  5. Step 5: Solve for x
    x = 581,711,531.27/25,683.08
  6. Step 6: Final answer
    x = 22,649.60

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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.