Home / 19,877.62-27,431.19-10,926.04

Finding the Fourth Proportional to 19,877.62, 27,431.19 and 10,926.04

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Solution

The fourth proportional to 19,877.62, 27,431.19 and 10,926.04 is: 15,077.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,877.62 : 27,431.19 = 10,926.04 : x
  2. Step 2: Convert to fraction form
    19,877.62/27,431.19 = 10,926.04/x
  3. Step 3: Cross multiply
    19,877.62x = 27,431.19 × 10,926.04
  4. Step 4: Simplify right side
    19,877.62x = 299,714,279.19
  5. Step 5: Solve for x
    x = 299,714,279.19/19,877.62
  6. Step 6: Final answer
    x = 15,077.98

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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.