Home / 22,147.17-30,562.38-13,192.62

Finding the Fourth Proportional to 22,147.17, 30,562.38 and 13,192.62

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Solution

The fourth proportional to 22,147.17, 30,562.38 and 13,192.62 is: 18,205.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,147.17 : 30,562.38 = 13,192.62 : x
  2. Step 2: Convert to fraction form
    22,147.17/30,562.38 = 13,192.62/x
  3. Step 3: Cross multiply
    22,147.17x = 30,562.38 × 13,192.62
  4. Step 4: Simplify right side
    22,147.17x = 403,197,865.64
  5. Step 5: Solve for x
    x = 403,197,865.64/22,147.17
  6. Step 6: Final answer
    x = 18,205.39

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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.