Home / 19,102.33-28,456.52-18,521.97

Finding the Fourth Proportional to 19,102.33, 28,456.52 and 18,521.97

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Solution

The fourth proportional to 19,102.33, 28,456.52 and 18,521.97 is: 27,591.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,102.33 : 28,456.52 = 18,521.97 : x
  2. Step 2: Convert to fraction form
    19,102.33/28,456.52 = 18,521.97/x
  3. Step 3: Cross multiply
    19,102.33x = 28,456.52 × 18,521.97
  4. Step 4: Simplify right side
    19,102.33x = 527,070,809.74
  5. Step 5: Solve for x
    x = 527,070,809.74/19,102.33
  6. Step 6: Final answer
    x = 27,591.96

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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.