Home / 17,092.76-25,635.96-13,780.35

Finding the Fourth Proportional to 17,092.76, 25,635.96 and 13,780.35

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Solution

The fourth proportional to 17,092.76, 25,635.96 and 13,780.35 is: 20,667.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,092.76 : 25,635.96 = 13,780.35 : x
  2. Step 2: Convert to fraction form
    17,092.76/25,635.96 = 13,780.35/x
  3. Step 3: Cross multiply
    17,092.76x = 25,635.96 × 13,780.35
  4. Step 4: Simplify right side
    17,092.76x = 353,272,501.39
  5. Step 5: Solve for x
    x = 353,272,501.39/17,092.76
  6. Step 6: Final answer
    x = 20,667.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.