Home / 22,541.66-31,107.22-12,469.31

Finding the Fourth Proportional to 22,541.66, 31,107.22 and 12,469.31

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Solution

The fourth proportional to 22,541.66, 31,107.22 and 12,469.31 is: 17,207.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,541.66 : 31,107.22 = 12,469.31 : x
  2. Step 2: Convert to fraction form
    22,541.66/31,107.22 = 12,469.31/x
  3. Step 3: Cross multiply
    22,541.66x = 31,107.22 × 12,469.31
  4. Step 4: Simplify right side
    22,541.66x = 387,885,351.54
  5. Step 5: Solve for x
    x = 387,885,351.54/22,541.66
  6. Step 6: Final answer
    x = 17,207.49

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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.