Home / 25,705.11-38,513.62-17,255.80

Finding the Fourth Proportional to 25,705.11, 38,513.62 and 17,255.80

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Solution

The fourth proportional to 25,705.11, 38,513.62 and 17,255.80 is: 25,854.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,705.11 : 38,513.62 = 17,255.80 : x
  2. Step 2: Convert to fraction form
    25,705.11/38,513.62 = 17,255.80/x
  3. Step 3: Cross multiply
    25,705.11x = 38,513.62 × 17,255.80
  4. Step 4: Simplify right side
    25,705.11x = 664,583,324.00
  5. Step 5: Solve for x
    x = 664,583,324.00/25,705.11
  6. Step 6: Final answer
    x = 25,854.13

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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.