Home / 17,442.56-26,127.72-8,531.06

Finding the Fourth Proportional to 17,442.56, 26,127.72 and 8,531.06

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Solution

The fourth proportional to 17,442.56, 26,127.72 and 8,531.06 is: 12,778.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,442.56 : 26,127.72 = 8,531.06 : x
  2. Step 2: Convert to fraction form
    17,442.56/26,127.72 = 8,531.06/x
  3. Step 3: Cross multiply
    17,442.56x = 26,127.72 × 8,531.06
  4. Step 4: Simplify right side
    17,442.56x = 222,897,146.98
  5. Step 5: Solve for x
    x = 222,897,146.98/17,442.56
  6. Step 6: Final answer
    x = 12,778.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.