Home / 23,530.38-32,471.70-12,919.92

Finding the Fourth Proportional to 23,530.38, 32,471.70 and 12,919.92

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Solution

The fourth proportional to 23,530.38, 32,471.70 and 12,919.92 is: 17,829.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,530.38 : 32,471.70 = 12,919.92 : x
  2. Step 2: Convert to fraction form
    23,530.38/32,471.70 = 12,919.92/x
  3. Step 3: Cross multiply
    23,530.38x = 32,471.70 × 12,919.92
  4. Step 4: Simplify right side
    23,530.38x = 419,531,766.26
  5. Step 5: Solve for x
    x = 419,531,766.26/23,530.38
  6. Step 6: Final answer
    x = 17,829.37

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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.