Home / 23,480.38-32,403.21-12,869.79

Finding the Fourth Proportional to 23,480.38, 32,403.21 and 12,869.79

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Solution

The fourth proportional to 23,480.38, 32,403.21 and 12,869.79 is: 17,760.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,480.38 : 32,403.21 = 12,869.79 : x
  2. Step 2: Convert to fraction form
    23,480.38/32,403.21 = 12,869.79/x
  3. Step 3: Cross multiply
    23,480.38x = 32,403.21 × 12,869.79
  4. Step 4: Simplify right side
    23,480.38x = 417,022,508.03
  5. Step 5: Solve for x
    x = 417,022,508.03/23,480.38
  6. Step 6: Final answer
    x = 17,760.47

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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.