Home / 19,837.95-27,375.54-11,875.52

Finding the Fourth Proportional to 19,837.95, 27,375.54 and 11,875.52

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Solution

The fourth proportional to 19,837.95, 27,375.54 and 11,875.52 is: 16,387.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,837.95 : 27,375.54 = 11,875.52 : x
  2. Step 2: Convert to fraction form
    19,837.95/27,375.54 = 11,875.52/x
  3. Step 3: Cross multiply
    19,837.95x = 27,375.54 × 11,875.52
  4. Step 4: Simplify right side
    19,837.95x = 325,098,635.90
  5. Step 5: Solve for x
    x = 325,098,635.90/19,837.95
  6. Step 6: Final answer
    x = 16,387.71

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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.