Home / 22,424.88-30,951.82-12,998.92

Finding the Fourth Proportional to 22,424.88, 30,951.82 and 12,998.92

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Solution

The fourth proportional to 22,424.88, 30,951.82 and 12,998.92 is: 17,941.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,424.88 : 30,951.82 = 12,998.92 : x
  2. Step 2: Convert to fraction form
    22,424.88/30,951.82 = 12,998.92/x
  3. Step 3: Cross multiply
    22,424.88x = 30,951.82 × 12,998.92
  4. Step 4: Simplify right side
    22,424.88x = 402,340,232.03
  5. Step 5: Solve for x
    x = 402,340,232.03/22,424.88
  6. Step 6: Final answer
    x = 17,941.69

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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.