Home / 18,557.66-27,833.52-5,406.95

Finding the Fourth Proportional to 18,557.66, 27,833.52 and 5,406.95

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Solution

The fourth proportional to 18,557.66, 27,833.52 and 5,406.95 is: 8,109.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,557.66 : 27,833.52 = 5,406.95 : x
  2. Step 2: Convert to fraction form
    18,557.66/27,833.52 = 5,406.95/x
  3. Step 3: Cross multiply
    18,557.66x = 27,833.52 × 5,406.95
  4. Step 4: Simplify right side
    18,557.66x = 150,494,540.82
  5. Step 5: Solve for x
    x = 150,494,540.82/18,557.66
  6. Step 6: Final answer
    x = 8,109.57

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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.