Home / 16,213.32-22,374.90-9,140.04

Finding the Fourth Proportional to 16,213.32, 22,374.90 and 9,140.04

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Solution

The fourth proportional to 16,213.32, 22,374.90 and 9,140.04 is: 12,613.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,213.32 : 22,374.90 = 9,140.04 : x
  2. Step 2: Convert to fraction form
    16,213.32/22,374.90 = 9,140.04/x
  3. Step 3: Cross multiply
    16,213.32x = 22,374.90 × 9,140.04
  4. Step 4: Simplify right side
    16,213.32x = 204,507,481.00
  5. Step 5: Solve for x
    x = 204,507,481.00/16,213.32
  6. Step 6: Final answer
    x = 12,613.55

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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.