Home / 36,721.52-55,082.28-9,019.52

Finding the Fourth Proportional to 36,721.52, 55,082.28 and 9,019.52

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Solution

The fourth proportional to 36,721.52, 55,082.28 and 9,019.52 is: 13,529.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,721.52 : 55,082.28 = 9,019.52 : x
  2. Step 2: Convert to fraction form
    36,721.52/55,082.28 = 9,019.52/x
  3. Step 3: Cross multiply
    36,721.52x = 55,082.28 × 9,019.52
  4. Step 4: Simplify right side
    36,721.52x = 496,815,726.11
  5. Step 5: Solve for x
    x = 496,815,726.11/36,721.52
  6. Step 6: Final answer
    x = 13,529.28

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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.