Home / 14,439.10-21,660.82-6,119.16

Finding the Fourth Proportional to 14,439.10, 21,660.82 and 6,119.16

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Solution

The fourth proportional to 14,439.10, 21,660.82 and 6,119.16 is: 9,179.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,439.10 : 21,660.82 = 6,119.16 : x
  2. Step 2: Convert to fraction form
    14,439.10/21,660.82 = 6,119.16/x
  3. Step 3: Cross multiply
    14,439.10x = 21,660.82 × 6,119.16
  4. Step 4: Simplify right side
    14,439.10x = 132,546,023.31
  5. Step 5: Solve for x
    x = 132,546,023.31/14,439.10
  6. Step 6: Final answer
    x = 9,179.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.