Home / 18,385.76-25,195.63-16,614.29

Finding the Fourth Proportional to 18,385.76, 25,195.63 and 16,614.29

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Solution

The fourth proportional to 18,385.76, 25,195.63 and 16,614.29 is: 22,768.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,385.76 : 25,195.63 = 16,614.29 : x
  2. Step 2: Convert to fraction form
    18,385.76/25,195.63 = 16,614.29/x
  3. Step 3: Cross multiply
    18,385.76x = 25,195.63 × 16,614.29
  4. Step 4: Simplify right side
    18,385.76x = 418,607,426.89
  5. Step 5: Solve for x
    x = 418,607,426.89/18,385.76
  6. Step 6: Final answer
    x = 22,768.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.