Home / 17,311.12-23,873.50-11,340.61

Finding the Fourth Proportional to 17,311.12, 23,873.50 and 11,340.61

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Solution

The fourth proportional to 17,311.12, 23,873.50 and 11,340.61 is: 15,639.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,311.12 : 23,873.50 = 11,340.61 : x
  2. Step 2: Convert to fraction form
    17,311.12/23,873.50 = 11,340.61/x
  3. Step 3: Cross multiply
    17,311.12x = 23,873.50 × 11,340.61
  4. Step 4: Simplify right side
    17,311.12x = 270,740,052.84
  5. Step 5: Solve for x
    x = 270,740,052.84/17,311.12
  6. Step 6: Final answer
    x = 15,639.66

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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.