Home / 22,282.24-30,772.80-15,226.88

Finding the Fourth Proportional to 22,282.24, 30,772.80 and 15,226.88

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Solution

The fourth proportional to 22,282.24, 30,772.80 and 15,226.88 is: 21,029.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,282.24 : 30,772.80 = 15,226.88 : x
  2. Step 2: Convert to fraction form
    22,282.24/30,772.80 = 15,226.88/x
  3. Step 3: Cross multiply
    22,282.24x = 30,772.80 × 15,226.88
  4. Step 4: Simplify right side
    22,282.24x = 468,573,732.86
  5. Step 5: Solve for x
    x = 468,573,732.86/22,282.24
  6. Step 6: Final answer
    x = 21,029.02

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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.