Home / 18,922.38-28,382.54-5,773.74

Finding the Fourth Proportional to 18,922.38, 28,382.54 and 5,773.74

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Solution

The fourth proportional to 18,922.38, 28,382.54 and 5,773.74 is: 8,660.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,922.38 : 28,382.54 = 5,773.74 : x
  2. Step 2: Convert to fraction form
    18,922.38/28,382.54 = 5,773.74/x
  3. Step 3: Cross multiply
    18,922.38x = 28,382.54 × 5,773.74
  4. Step 4: Simplify right side
    18,922.38x = 163,873,406.50
  5. Step 5: Solve for x
    x = 163,873,406.50/18,922.38
  6. Step 6: Final answer
    x = 8,660.30

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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.