Home / 23,083.11-31,854.70-12,472.72

Finding the Fourth Proportional to 23,083.11, 31,854.70 and 12,472.72

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Solution

The fourth proportional to 23,083.11, 31,854.70 and 12,472.72 is: 17,212.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,083.11 : 31,854.70 = 12,472.72 : x
  2. Step 2: Convert to fraction form
    23,083.11/31,854.70 = 12,472.72/x
  3. Step 3: Cross multiply
    23,083.11x = 31,854.70 × 12,472.72
  4. Step 4: Simplify right side
    23,083.11x = 397,314,689.74
  5. Step 5: Solve for x
    x = 397,314,689.74/23,083.11
  6. Step 6: Final answer
    x = 17,212.36

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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.