Home / 22,179.92-30,613.56-14,240.96

Finding the Fourth Proportional to 22,179.92, 30,613.56 and 14,240.96

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Solution

The fourth proportional to 22,179.92, 30,613.56 and 14,240.96 is: 19,655.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,179.92 : 30,613.56 = 14,240.96 : x
  2. Step 2: Convert to fraction form
    22,179.92/30,613.56 = 14,240.96/x
  3. Step 3: Cross multiply
    22,179.92x = 30,613.56 × 14,240.96
  4. Step 4: Simplify right side
    22,179.92x = 435,966,483.42
  5. Step 5: Solve for x
    x = 435,966,483.42/22,179.92
  6. Step 6: Final answer
    x = 19,655.91

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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.