Home / 22,585.54-31,167.44-13,025.20

Finding the Fourth Proportional to 22,585.54, 31,167.44 and 13,025.20

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Solution

The fourth proportional to 22,585.54, 31,167.44 and 13,025.20 is: 17,974.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,585.54 : 31,167.44 = 13,025.20 : x
  2. Step 2: Convert to fraction form
    22,585.54/31,167.44 = 13,025.20/x
  3. Step 3: Cross multiply
    22,585.54x = 31,167.44 × 13,025.20
  4. Step 4: Simplify right side
    22,585.54x = 405,962,139.49
  5. Step 5: Solve for x
    x = 405,962,139.49/22,585.54
  6. Step 6: Final answer
    x = 17,974.43

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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.