Home / 16,248.20-22,422.51-8,796.20

Finding the Fourth Proportional to 16,248.20, 22,422.51 and 8,796.20

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Solution

The fourth proportional to 16,248.20, 22,422.51 and 8,796.20 is: 12,138.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,248.20 : 22,422.51 = 8,796.20 : x
  2. Step 2: Convert to fraction form
    16,248.20/22,422.51 = 8,796.20/x
  3. Step 3: Cross multiply
    16,248.20x = 22,422.51 × 8,796.20
  4. Step 4: Simplify right side
    16,248.20x = 197,232,770.35
  5. Step 5: Solve for x
    x = 197,232,770.35/16,248.20
  6. Step 6: Final answer
    x = 12,138.75

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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.