Home / 22,292.17-30,763.13-12,221.03

Finding the Fourth Proportional to 22,292.17, 30,763.13 and 12,221.03

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Solution

The fourth proportional to 22,292.17, 30,763.13 and 12,221.03 is: 16,864.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,292.17 : 30,763.13 = 12,221.03 : x
  2. Step 2: Convert to fraction form
    22,292.17/30,763.13 = 12,221.03/x
  3. Step 3: Cross multiply
    22,292.17x = 30,763.13 × 12,221.03
  4. Step 4: Simplify right side
    22,292.17x = 375,957,150.43
  5. Step 5: Solve for x
    x = 375,957,150.43/22,292.17
  6. Step 6: Final answer
    x = 16,864.99

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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.