Home / 22,804.05-31,474.84-13,375.65

Finding the Fourth Proportional to 22,804.05, 31,474.84 and 13,375.65

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Solution

The fourth proportional to 22,804.05, 31,474.84 and 13,375.65 is: 18,461.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,804.05 : 31,474.84 = 13,375.65 : x
  2. Step 2: Convert to fraction form
    22,804.05/31,474.84 = 13,375.65/x
  3. Step 3: Cross multiply
    22,804.05x = 31,474.84 × 13,375.65
  4. Step 4: Simplify right side
    22,804.05x = 420,996,443.65
  5. Step 5: Solve for x
    x = 420,996,443.65/22,804.05
  6. Step 6: Final answer
    x = 18,461.48

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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.