Home / 22,578.82-31,127.97-15,025.48

Finding the Fourth Proportional to 22,578.82, 31,127.97 and 15,025.48

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Solution

The fourth proportional to 22,578.82, 31,127.97 and 15,025.48 is: 20,714.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,578.82 : 31,127.97 = 15,025.48 : x
  2. Step 2: Convert to fraction form
    22,578.82/31,127.97 = 15,025.48/x
  3. Step 3: Cross multiply
    22,578.82x = 31,127.97 × 15,025.48
  4. Step 4: Simplify right side
    22,578.82x = 467,712,690.68
  5. Step 5: Solve for x
    x = 467,712,690.68/22,578.82
  6. Step 6: Final answer
    x = 20,714.66

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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.