Home / 25,720.60-35,500.62-16,166.20

Finding the Fourth Proportional to 25,720.60, 35,500.62 and 16,166.20

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Solution

The fourth proportional to 25,720.60, 35,500.62 and 16,166.20 is: 22,313.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,720.60 : 35,500.62 = 16,166.20 : x
  2. Step 2: Convert to fraction form
    25,720.60/35,500.62 = 16,166.20/x
  3. Step 3: Cross multiply
    25,720.60x = 35,500.62 × 16,166.20
  4. Step 4: Simplify right side
    25,720.60x = 573,910,123.04
  5. Step 5: Solve for x
    x = 573,910,123.04/25,720.60
  6. Step 6: Final answer
    x = 22,313.25

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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.