Home / 22,540.04-31,104.96-12,467.68

Finding the Fourth Proportional to 22,540.04, 31,104.96 and 12,467.68

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Solution

The fourth proportional to 22,540.04, 31,104.96 and 12,467.68 is: 17,205.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,540.04 : 31,104.96 = 12,467.68 : x
  2. Step 2: Convert to fraction form
    22,540.04/31,104.96 = 12,467.68/x
  3. Step 3: Cross multiply
    22,540.04x = 31,104.96 × 12,467.68
  4. Step 4: Simplify right side
    22,540.04x = 387,806,687.69
  5. Step 5: Solve for x
    x = 387,806,687.69/22,540.04
  6. Step 6: Final answer
    x = 17,205.24

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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.