Home / 22,939.92-31,625.64-18,959.76

Finding the Fourth Proportional to 22,939.92, 31,625.64 and 18,959.76

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Solution

The fourth proportional to 22,939.92, 31,625.64 and 18,959.76 is: 26,138.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,939.92 : 31,625.64 = 18,959.76 : x
  2. Step 2: Convert to fraction form
    22,939.92/31,625.64 = 18,959.76/x
  3. Step 3: Cross multiply
    22,939.92x = 31,625.64 × 18,959.76
  4. Step 4: Simplify right side
    22,939.92x = 599,614,544.25
  5. Step 5: Solve for x
    x = 599,614,544.25/22,939.92
  6. Step 6: Final answer
    x = 26,138.48

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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.