Home / 19,602.38-27,051.17-11,540.72

Finding the Fourth Proportional to 19,602.38, 27,051.17 and 11,540.72

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Solution

The fourth proportional to 19,602.38, 27,051.17 and 11,540.72 is: 15,926.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,602.38 : 27,051.17 = 11,540.72 : x
  2. Step 2: Convert to fraction form
    19,602.38/27,051.17 = 11,540.72/x
  3. Step 3: Cross multiply
    19,602.38x = 27,051.17 × 11,540.72
  4. Step 4: Simplify right side
    19,602.38x = 312,189,978.64
  5. Step 5: Solve for x
    x = 312,189,978.64/19,602.38
  6. Step 6: Final answer
    x = 15,926.13

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1.5x scale

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.