Home / 19,842.76-29,764.14-9,422.92

Finding the Fourth Proportional to 19,842.76, 29,764.14 and 9,422.92

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Solution

The fourth proportional to 19,842.76, 29,764.14 and 9,422.92 is: 14,134.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,842.76 : 29,764.14 = 9,422.92 : x
  2. Step 2: Convert to fraction form
    19,842.76/29,764.14 = 9,422.92/x
  3. Step 3: Cross multiply
    19,842.76x = 29,764.14 × 9,422.92
  4. Step 4: Simplify right side
    19,842.76x = 280,465,110.09
  5. Step 5: Solve for x
    x = 280,465,110.09/19,842.76
  6. Step 6: Final answer
    x = 14,134.38

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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.