Home / 19,028.52-28,402.92-17,691.48

Finding the Fourth Proportional to 19,028.52, 28,402.92 and 17,691.48

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Solution

The fourth proportional to 19,028.52, 28,402.92 and 17,691.48 is: 26,407.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,028.52 : 28,402.92 = 17,691.48 : x
  2. Step 2: Convert to fraction form
    19,028.52/28,402.92 = 17,691.48/x
  3. Step 3: Cross multiply
    19,028.52x = 28,402.92 × 17,691.48
  4. Step 4: Simplify right side
    19,028.52x = 502,489,691.12
  5. Step 5: Solve for x
    x = 502,489,691.12/19,028.52
  6. Step 6: Final answer
    x = 26,407.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.