Home / 23,057.60-31,819.55-13,495.75

Finding the Fourth Proportional to 23,057.60, 31,819.55 and 13,495.75

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Solution

The fourth proportional to 23,057.60, 31,819.55 and 13,495.75 is: 18,624.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,057.60 : 31,819.55 = 13,495.75 : x
  2. Step 2: Convert to fraction form
    23,057.60/31,819.55 = 13,495.75/x
  3. Step 3: Cross multiply
    23,057.60x = 31,819.55 × 13,495.75
  4. Step 4: Simplify right side
    23,057.60x = 429,428,691.91
  5. Step 5: Solve for x
    x = 429,428,691.91/23,057.60
  6. Step 6: Final answer
    x = 18,624.17

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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.