Home / 41,273.18-61,886.52-13,186.65

Finding the Fourth Proportional to 41,273.18, 61,886.52 and 13,186.65

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Solution

The fourth proportional to 41,273.18, 61,886.52 and 13,186.65 is: 19,772.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,273.18 : 61,886.52 = 13,186.65 : x
  2. Step 2: Convert to fraction form
    41,273.18/61,886.52 = 13,186.65/x
  3. Step 3: Cross multiply
    41,273.18x = 61,886.52 × 13,186.65
  4. Step 4: Simplify right side
    41,273.18x = 816,075,878.96
  5. Step 5: Solve for x
    x = 816,075,878.96/41,273.18
  6. Step 6: Final answer
    x = 19,772.55

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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.