Home / 22,163.78-30,585.48-12,732.14

Finding the Fourth Proportional to 22,163.78, 30,585.48 and 12,732.14

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Solution

The fourth proportional to 22,163.78, 30,585.48 and 12,732.14 is: 17,570.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,163.78 : 30,585.48 = 12,732.14 : x
  2. Step 2: Convert to fraction form
    22,163.78/30,585.48 = 12,732.14/x
  3. Step 3: Cross multiply
    22,163.78x = 30,585.48 × 12,732.14
  4. Step 4: Simplify right side
    22,163.78x = 389,418,613.33
  5. Step 5: Solve for x
    x = 389,418,613.33/22,163.78
  6. Step 6: Final answer
    x = 17,570.05

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Double scale
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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.