Home / 12,254.04-16,920.23-9,856.28

Finding the Fourth Proportional to 12,254.04, 16,920.23 and 9,856.28

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Solution

The fourth proportional to 12,254.04, 16,920.23 and 9,856.28 is: 13,609.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254.04 : 16,920.23 = 9,856.28 : x
  2. Step 2: Convert to fraction form
    12,254.04/16,920.23 = 9,856.28/x
  3. Step 3: Cross multiply
    12,254.04x = 16,920.23 × 9,856.28
  4. Step 4: Simplify right side
    12,254.04x = 166,770,517.56
  5. Step 5: Solve for x
    x = 166,770,517.56/12,254.04
  6. Step 6: Final answer
    x = 13,609.43

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Similar ratio
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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.