Home / 14,601.52-20,116.92-13,616.56

Finding the Fourth Proportional to 14,601.52, 20,116.92 and 13,616.56

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Solution

The fourth proportional to 14,601.52, 20,116.92 and 13,616.56 is: 18,759.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,601.52 : 20,116.92 = 13,616.56 : x
  2. Step 2: Convert to fraction form
    14,601.52/20,116.92 = 13,616.56/x
  3. Step 3: Cross multiply
    14,601.52x = 20,116.92 × 13,616.56
  4. Step 4: Simplify right side
    14,601.52x = 273,923,248.20
  5. Step 5: Solve for x
    x = 273,923,248.20/14,601.52
  6. Step 6: Final answer
    x = 18,759.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.