Home / 23,123.53-31,924.20-15,179.68

Finding the Fourth Proportional to 23,123.53, 31,924.20 and 15,179.68

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Solution

The fourth proportional to 23,123.53, 31,924.20 and 15,179.68 is: 20,956.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,123.53 : 31,924.20 = 15,179.68 : x
  2. Step 2: Convert to fraction form
    23,123.53/31,924.20 = 15,179.68/x
  3. Step 3: Cross multiply
    23,123.53x = 31,924.20 × 15,179.68
  4. Step 4: Simplify right side
    23,123.53x = 484,599,140.26
  5. Step 5: Solve for x
    x = 484,599,140.26/23,123.53
  6. Step 6: Final answer
    x = 20,956.97

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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.