Home / 22,671.97-31,288.65-12,601.51

Finding the Fourth Proportional to 22,671.97, 31,288.65 and 12,601.51

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Solution

The fourth proportional to 22,671.97, 31,288.65 and 12,601.51 is: 17,390.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,671.97 : 31,288.65 = 12,601.51 : x
  2. Step 2: Convert to fraction form
    22,671.97/31,288.65 = 12,601.51/x
  3. Step 3: Cross multiply
    22,671.97x = 31,288.65 × 12,601.51
  4. Step 4: Simplify right side
    22,671.97x = 394,284,110.38
  5. Step 5: Solve for x
    x = 394,284,110.38/22,671.97
  6. Step 6: Final answer
    x = 17,390.82

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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.