Home / 16,047.87-22,145.63-8,974.95

Finding the Fourth Proportional to 16,047.87, 22,145.63 and 8,974.95

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Solution

The fourth proportional to 16,047.87, 22,145.63 and 8,974.95 is: 12,385.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,047.87 : 22,145.63 = 8,974.95 : x
  2. Step 2: Convert to fraction form
    16,047.87/22,145.63 = 8,974.95/x
  3. Step 3: Cross multiply
    16,047.87x = 22,145.63 × 8,974.95
  4. Step 4: Simplify right side
    16,047.87x = 198,755,921.97
  5. Step 5: Solve for x
    x = 198,755,921.97/16,047.87
  6. Step 6: Final answer
    x = 12,385.19

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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.