Home / 22,117.12-33,186.31-13,795

Finding the Fourth Proportional to 22,117.12, 33,186.31 and 13,795

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Solution

The fourth proportional to 22,117.12, 33,186.31 and 13,795 is: 20,699.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,117.12 : 33,186.31 = 13,795 : x
  2. Step 2: Convert to fraction form
    22,117.12/33,186.31 = 13,795/x
  3. Step 3: Cross multiply
    22,117.12x = 33,186.31 × 13,795
  4. Step 4: Simplify right side
    22,117.12x = 457,805,077.48
  5. Step 5: Solve for x
    x = 457,805,077.48/22,117.12
  6. Step 6: Final answer
    x = 20,699.13

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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.