Home / 22,338.18-30,817.26-13,382.82

Finding the Fourth Proportional to 22,338.18, 30,817.26 and 13,382.82

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Solution

The fourth proportional to 22,338.18, 30,817.26 and 13,382.82 is: 18,462.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,338.18 : 30,817.26 = 13,382.82 : x
  2. Step 2: Convert to fraction form
    22,338.18/30,817.26 = 13,382.82/x
  3. Step 3: Cross multiply
    22,338.18x = 30,817.26 × 13,382.82
  4. Step 4: Simplify right side
    22,338.18x = 412,421,843.47
  5. Step 5: Solve for x
    x = 412,421,843.47/22,338.18
  6. Step 6: Final answer
    x = 18,462.64

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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.