Home / 12,531.22-17,295.15-9,541.42

Finding the Fourth Proportional to 12,531.22, 17,295.15 and 9,541.42

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Solution

The fourth proportional to 12,531.22, 17,295.15 and 9,541.42 is: 13,168.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531.22 : 17,295.15 = 9,541.42 : x
  2. Step 2: Convert to fraction form
    12,531.22/17,295.15 = 9,541.42/x
  3. Step 3: Cross multiply
    12,531.22x = 17,295.15 × 9,541.42
  4. Step 4: Simplify right side
    12,531.22x = 165,020,290.11
  5. Step 5: Solve for x
    x = 165,020,290.11/12,531.22
  6. Step 6: Final answer
    x = 13,168.73

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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.