Home / 14,118.40-21,177.60-5,792.95

Finding the Fourth Proportional to 14,118.40, 21,177.60 and 5,792.95

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Solution

The fourth proportional to 14,118.40, 21,177.60 and 5,792.95 is: 8,689.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,118.40 : 21,177.60 = 5,792.95 : x
  2. Step 2: Convert to fraction form
    14,118.40/21,177.60 = 5,792.95/x
  3. Step 3: Cross multiply
    14,118.40x = 21,177.60 × 5,792.95
  4. Step 4: Simplify right side
    14,118.40x = 122,680,777.92
  5. Step 5: Solve for x
    x = 122,680,777.92/14,118.40
  6. Step 6: Final answer
    x = 8,689.43

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Similar ratio
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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.