Home / 25,755.60-38,625.02-8,221.26

Finding the Fourth Proportional to 25,755.60, 38,625.02 and 8,221.26

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Solution

The fourth proportional to 25,755.60, 38,625.02 and 8,221.26 is: 12,329.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,755.60 : 38,625.02 = 8,221.26 : x
  2. Step 2: Convert to fraction form
    25,755.60/38,625.02 = 8,221.26/x
  3. Step 3: Cross multiply
    25,755.60x = 38,625.02 × 8,221.26
  4. Step 4: Simplify right side
    25,755.60x = 317,546,331.93
  5. Step 5: Solve for x
    x = 317,546,331.93/25,755.60
  6. Step 6: Final answer
    x = 12,329.22

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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.