Home / 22,358.46-30,849.56-13,407.60

Finding the Fourth Proportional to 22,358.46, 30,849.56 and 13,407.60

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Solution

The fourth proportional to 22,358.46, 30,849.56 and 13,407.60 is: 18,499.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,358.46 : 30,849.56 = 13,407.60 : x
  2. Step 2: Convert to fraction form
    22,358.46/30,849.56 = 13,407.60/x
  3. Step 3: Cross multiply
    22,358.46x = 30,849.56 × 13,407.60
  4. Step 4: Simplify right side
    22,358.46x = 413,618,560.66
  5. Step 5: Solve for x
    x = 413,618,560.66/22,358.46
  6. Step 6: Final answer
    x = 18,499.42

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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.