Home / 14,147.11-19,532.78-8,844.31

Finding the Fourth Proportional to 14,147.11, 19,532.78 and 8,844.31

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Solution

The fourth proportional to 14,147.11, 19,532.78 and 8,844.31 is: 12,211.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,147.11 : 19,532.78 = 8,844.31 : x
  2. Step 2: Convert to fraction form
    14,147.11/19,532.78 = 8,844.31/x
  3. Step 3: Cross multiply
    14,147.11x = 19,532.78 × 8,844.31
  4. Step 4: Simplify right side
    14,147.11x = 172,753,961.48
  5. Step 5: Solve for x
    x = 172,753,961.48/14,147.11
  6. Step 6: Final answer
    x = 12,211.25

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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.