Home / 23,083.11-31,854.68-12,472.74

Finding the Fourth Proportional to 23,083.11, 31,854.68 and 12,472.74

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Solution

The fourth proportional to 23,083.11, 31,854.68 and 12,472.74 is: 17,212.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,083.11 : 31,854.68 = 12,472.74 : x
  2. Step 2: Convert to fraction form
    23,083.11/31,854.68 = 12,472.74/x
  3. Step 3: Cross multiply
    23,083.11x = 31,854.68 × 12,472.74
  4. Step 4: Simplify right side
    23,083.11x = 397,315,079.06
  5. Step 5: Solve for x
    x = 397,315,079.06/23,083.11
  6. Step 6: Final answer
    x = 17,212.37

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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.