Home / 22,506.12-31,058.51-12,434.85

Finding the Fourth Proportional to 22,506.12, 31,058.51 and 12,434.85

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Solution

The fourth proportional to 22,506.12, 31,058.51 and 12,434.85 is: 17,160.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,506.12 : 31,058.51 = 12,434.85 : x
  2. Step 2: Convert to fraction form
    22,506.12/31,058.51 = 12,434.85/x
  3. Step 3: Cross multiply
    22,506.12x = 31,058.51 × 12,434.85
  4. Step 4: Simplify right side
    22,506.12x = 386,207,850.90
  5. Step 5: Solve for x
    x = 386,207,850.90/22,506.12
  6. Step 6: Final answer
    x = 17,160.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.