Home / 22,542.17-31,110.51-12,982.37

Finding the Fourth Proportional to 22,542.17, 31,110.51 and 12,982.37

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Solution

The fourth proportional to 22,542.17, 31,110.51 and 12,982.37 is: 17,917.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,542.17 : 31,110.51 = 12,982.37 : x
  2. Step 2: Convert to fraction form
    22,542.17/31,110.51 = 12,982.37/x
  3. Step 3: Cross multiply
    22,542.17x = 31,110.51 × 12,982.37
  4. Step 4: Simplify right side
    22,542.17x = 403,887,996.16
  5. Step 5: Solve for x
    x = 403,887,996.16/22,542.17
  6. Step 6: Final answer
    x = 17,917.00

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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.