Home / 22,304.20-30,780.18-12,232.60

Finding the Fourth Proportional to 22,304.20, 30,780.18 and 12,232.60

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Solution

The fourth proportional to 22,304.20, 30,780.18 and 12,232.60 is: 16,881.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,304.20 : 30,780.18 = 12,232.60 : x
  2. Step 2: Convert to fraction form
    22,304.20/30,780.18 = 12,232.60/x
  3. Step 3: Cross multiply
    22,304.20x = 30,780.18 × 12,232.60
  4. Step 4: Simplify right side
    22,304.20x = 376,521,629.87
  5. Step 5: Solve for x
    x = 376,521,629.87/22,304.20
  6. Step 6: Final answer
    x = 16,881.20

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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.