Home / 18,113.12-27,164.46-4,965.92

Finding the Fourth Proportional to 18,113.12, 27,164.46 and 4,965.92

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Solution

The fourth proportional to 18,113.12, 27,164.46 and 4,965.92 is: 7,447.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,113.12 : 27,164.46 = 4,965.92 : x
  2. Step 2: Convert to fraction form
    18,113.12/27,164.46 = 4,965.92/x
  3. Step 3: Cross multiply
    18,113.12x = 27,164.46 × 4,965.92
  4. Step 4: Simplify right side
    18,113.12x = 134,896,535.20
  5. Step 5: Solve for x
    x = 134,896,535.20/18,113.12
  6. Step 6: Final answer
    x = 7,447.45

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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.