Home / 15,922.92-21,983.22-10,549.90

Finding the Fourth Proportional to 15,922.92, 21,983.22 and 10,549.90

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Solution

The fourth proportional to 15,922.92, 21,983.22 and 10,549.90 is: 14,565.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,922.92 : 21,983.22 = 10,549.90 : x
  2. Step 2: Convert to fraction form
    15,922.92/21,983.22 = 10,549.90/x
  3. Step 3: Cross multiply
    15,922.92x = 21,983.22 × 10,549.90
  4. Step 4: Simplify right side
    15,922.92x = 231,920,772.68
  5. Step 5: Solve for x
    x = 231,920,772.68/15,922.92
  6. Step 6: Final answer
    x = 14,565.22

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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.