Home / 22,939.12-31,673.91-14,876.61

Finding the Fourth Proportional to 22,939.12, 31,673.91 and 14,876.61

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Solution

The fourth proportional to 22,939.12, 31,673.91 and 14,876.61 is: 20,541.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,939.12 : 31,673.91 = 14,876.61 : x
  2. Step 2: Convert to fraction form
    22,939.12/31,673.91 = 14,876.61/x
  3. Step 3: Cross multiply
    22,939.12x = 31,673.91 × 14,876.61
  4. Step 4: Simplify right side
    22,939.12x = 471,200,479.58
  5. Step 5: Solve for x
    x = 471,200,479.58/22,939.12
  6. Step 6: Final answer
    x = 20,541.35

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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.