Home / 25,682.90-38,531.10-8,152.70

Finding the Fourth Proportional to 25,682.90, 38,531.10 and 8,152.70

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Solution

The fourth proportional to 25,682.90, 38,531.10 and 8,152.70 is: 12,231.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,682.90 : 38,531.10 = 8,152.70 : x
  2. Step 2: Convert to fraction form
    25,682.90/38,531.10 = 8,152.70/x
  3. Step 3: Cross multiply
    25,682.90x = 38,531.10 × 8,152.70
  4. Step 4: Simplify right side
    25,682.90x = 314,132,498.97
  5. Step 5: Solve for x
    x = 314,132,498.97/25,682.90
  6. Step 6: Final answer
    x = 12,231.19

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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.