Home / 23,083.08-31,854.63-12,472.71

Finding the Fourth Proportional to 23,083.08, 31,854.63 and 12,472.71

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Solution

The fourth proportional to 23,083.08, 31,854.63 and 12,472.71 is: 17,212.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,083.08 : 31,854.63 = 12,472.71 : x
  2. Step 2: Convert to fraction form
    23,083.08/31,854.63 = 12,472.71/x
  3. Step 3: Cross multiply
    23,083.08x = 31,854.63 × 12,472.71
  4. Step 4: Simplify right side
    23,083.08x = 397,313,562.15
  5. Step 5: Solve for x
    x = 397,313,562.15/23,083.08
  6. Step 6: Final answer
    x = 17,212.33

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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.