Home / 22,432.14-30,949.56-12,998.88

Finding the Fourth Proportional to 22,432.14, 30,949.56 and 12,998.88

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Solution

The fourth proportional to 22,432.14, 30,949.56 and 12,998.88 is: 17,934.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,432.14 : 30,949.56 = 12,998.88 : x
  2. Step 2: Convert to fraction form
    22,432.14/30,949.56 = 12,998.88/x
  3. Step 3: Cross multiply
    22,432.14x = 30,949.56 × 12,998.88
  4. Step 4: Simplify right side
    22,432.14x = 402,309,616.49
  5. Step 5: Solve for x
    x = 402,309,616.49/22,432.14
  6. Step 6: Final answer
    x = 17,934.52

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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.