Home / 18,753.35-28,123.20-5,601.29

Finding the Fourth Proportional to 18,753.35, 28,123.20 and 5,601.29

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Solution

The fourth proportional to 18,753.35, 28,123.20 and 5,601.29 is: 8,399.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,753.35 : 28,123.20 = 5,601.29 : x
  2. Step 2: Convert to fraction form
    18,753.35/28,123.20 = 5,601.29/x
  3. Step 3: Cross multiply
    18,753.35x = 28,123.20 × 5,601.29
  4. Step 4: Simplify right side
    18,753.35x = 157,526,058.31
  5. Step 5: Solve for x
    x = 157,526,058.31/18,753.35
  6. Step 6: Final answer
    x = 8,399.89

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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.