Home / 22,599.67-31,187.86-12,391.66

Finding the Fourth Proportional to 22,599.67, 31,187.86 and 12,391.66

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Solution

The fourth proportional to 22,599.67, 31,187.86 and 12,391.66 is: 17,100.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,599.67 : 31,187.86 = 12,391.66 : x
  2. Step 2: Convert to fraction form
    22,599.67/31,187.86 = 12,391.66/x
  3. Step 3: Cross multiply
    22,599.67x = 31,187.86 × 12,391.66
  4. Step 4: Simplify right side
    22,599.67x = 386,469,357.25
  5. Step 5: Solve for x
    x = 386,469,357.25/22,599.67
  6. Step 6: Final answer
    x = 17,100.66

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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.