Home / 23,480.57-32,402.67-12,869.97

Finding the Fourth Proportional to 23,480.57, 32,402.67 and 12,869.97

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Solution

The fourth proportional to 23,480.57, 32,402.67 and 12,869.97 is: 17,760.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,480.57 : 32,402.67 = 12,869.97 : x
  2. Step 2: Convert to fraction form
    23,480.57/32,402.67 = 12,869.97/x
  3. Step 3: Cross multiply
    23,480.57x = 32,402.67 × 12,869.97
  4. Step 4: Simplify right side
    23,480.57x = 417,021,390.82
  5. Step 5: Solve for x
    x = 417,021,390.82/23,480.57
  6. Step 6: Final answer
    x = 17,760.28

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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.