Home / 41,272.93-61,886.15-13,186.40

Finding the Fourth Proportional to 41,272.93, 61,886.15 and 13,186.40

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Solution

The fourth proportional to 41,272.93, 61,886.15 and 13,186.40 is: 19,772.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,272.93 : 61,886.15 = 13,186.40 : x
  2. Step 2: Convert to fraction form
    41,272.93/61,886.15 = 13,186.40/x
  3. Step 3: Cross multiply
    41,272.93x = 61,886.15 × 13,186.40
  4. Step 4: Simplify right side
    41,272.93x = 816,055,462.43
  5. Step 5: Solve for x
    x = 816,055,462.43/41,272.93
  6. Step 6: Final answer
    x = 19,772.17

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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.