Home / 23,160.60-31,961.66-12,550.14

Finding the Fourth Proportional to 23,160.60, 31,961.66 and 12,550.14

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Solution

The fourth proportional to 23,160.60, 31,961.66 and 12,550.14 is: 17,319.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,160.60 : 31,961.66 = 12,550.14 : x
  2. Step 2: Convert to fraction form
    23,160.60/31,961.66 = 12,550.14/x
  3. Step 3: Cross multiply
    23,160.60x = 31,961.66 × 12,550.14
  4. Step 4: Simplify right side
    23,160.60x = 401,123,244.88
  5. Step 5: Solve for x
    x = 401,123,244.88/23,160.60
  6. Step 6: Final answer
    x = 17,319.21

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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.