Home / 25,650.57-35,388.05-15,575.19

Finding the Fourth Proportional to 25,650.57, 35,388.05 and 15,575.19

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Solution

The fourth proportional to 25,650.57, 35,388.05 and 15,575.19 is: 21,487.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,650.57 : 35,388.05 = 15,575.19 : x
  2. Step 2: Convert to fraction form
    25,650.57/35,388.05 = 15,575.19/x
  3. Step 3: Cross multiply
    25,650.57x = 35,388.05 × 15,575.19
  4. Step 4: Simplify right side
    25,650.57x = 551,175,524.60
  5. Step 5: Solve for x
    x = 551,175,524.60/25,650.57
  6. Step 6: Final answer
    x = 21,487.85

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Half scale
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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.