Home / 16,029.28-22,121.31-8,859.16

Finding the Fourth Proportional to 16,029.28, 22,121.31 and 8,859.16

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Solution

The fourth proportional to 16,029.28, 22,121.31 and 8,859.16 is: 12,226.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,029.28 : 22,121.31 = 8,859.16 : x
  2. Step 2: Convert to fraction form
    16,029.28/22,121.31 = 8,859.16/x
  3. Step 3: Cross multiply
    16,029.28x = 22,121.31 × 8,859.16
  4. Step 4: Simplify right side
    16,029.28x = 195,976,224.70
  5. Step 5: Solve for x
    x = 195,976,224.70/16,029.28
  6. Step 6: Final answer
    x = 12,226.14

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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.