Home / 17,531.61-26,258.19-8,157.58

Finding the Fourth Proportional to 17,531.61, 26,258.19 and 8,157.58

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Solution

The fourth proportional to 17,531.61, 26,258.19 and 8,157.58 is: 12,218.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,531.61 : 26,258.19 = 8,157.58 : x
  2. Step 2: Convert to fraction form
    17,531.61/26,258.19 = 8,157.58/x
  3. Step 3: Cross multiply
    17,531.61x = 26,258.19 × 8,157.58
  4. Step 4: Simplify right side
    17,531.61x = 214,203,285.58
  5. Step 5: Solve for x
    x = 214,203,285.58/17,531.61
  6. Step 6: Final answer
    x = 12,218.12

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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.