Home / 16,439.20-24,502.66-15,505.20

Finding the Fourth Proportional to 16,439.20, 24,502.66 and 15,505.20

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Solution

The fourth proportional to 16,439.20, 24,502.66 and 15,505.20 is: 23,110.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,439.20 : 24,502.66 = 15,505.20 : x
  2. Step 2: Convert to fraction form
    16,439.20/24,502.66 = 15,505.20/x
  3. Step 3: Cross multiply
    16,439.20x = 24,502.66 × 15,505.20
  4. Step 4: Simplify right side
    16,439.20x = 379,918,643.83
  5. Step 5: Solve for x
    x = 379,918,643.83/16,439.20
  6. Step 6: Final answer
    x = 23,110.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.