Home / 12,531.64-17,254.20-9,537.88

Finding the Fourth Proportional to 12,531.64, 17,254.20 and 9,537.88

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Solution

The fourth proportional to 12,531.64, 17,254.20 and 9,537.88 is: 13,132.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531.64 : 17,254.20 = 9,537.88 : x
  2. Step 2: Convert to fraction form
    12,531.64/17,254.20 = 9,537.88/x
  3. Step 3: Cross multiply
    12,531.64x = 17,254.20 × 9,537.88
  4. Step 4: Simplify right side
    12,531.64x = 164,568,489.10
  5. Step 5: Solve for x
    x = 164,568,489.10/12,531.64
  6. Step 6: Final answer
    x = 13,132.24

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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.