Home / 19,091.70-28,498.05-17,684.73

Finding the Fourth Proportional to 19,091.70, 28,498.05 and 17,684.73

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Solution

The fourth proportional to 19,091.70, 28,498.05 and 17,684.73 is: 26,397.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,091.70 : 28,498.05 = 17,684.73 : x
  2. Step 2: Convert to fraction form
    19,091.70/28,498.05 = 17,684.73/x
  3. Step 3: Cross multiply
    19,091.70x = 28,498.05 × 17,684.73
  4. Step 4: Simplify right side
    19,091.70x = 503,980,319.78
  5. Step 5: Solve for x
    x = 503,980,319.78/19,091.70
  6. Step 6: Final answer
    x = 26,397.88

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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.