Home / 22,134.08-30,531.60-13,175.60

Finding the Fourth Proportional to 22,134.08, 30,531.60 and 13,175.60

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Solution

The fourth proportional to 22,134.08, 30,531.60 and 13,175.60 is: 18,174.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,134.08 : 30,531.60 = 13,175.60 : x
  2. Step 2: Convert to fraction form
    22,134.08/30,531.60 = 13,175.60/x
  3. Step 3: Cross multiply
    22,134.08x = 30,531.60 × 13,175.60
  4. Step 4: Simplify right side
    22,134.08x = 402,272,148.96
  5. Step 5: Solve for x
    x = 402,272,148.96/22,134.08
  6. Step 6: Final answer
    x = 18,174.33

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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.