Home / 19,707.68-29,540.56-9,824.87

Finding the Fourth Proportional to 19,707.68, 29,540.56 and 9,824.87

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Solution

The fourth proportional to 19,707.68, 29,540.56 and 9,824.87 is: 14,726.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,707.68 : 29,540.56 = 9,824.87 : x
  2. Step 2: Convert to fraction form
    19,707.68/29,540.56 = 9,824.87/x
  3. Step 3: Cross multiply
    19,707.68x = 29,540.56 × 9,824.87
  4. Step 4: Simplify right side
    19,707.68x = 290,232,161.73
  5. Step 5: Solve for x
    x = 290,232,161.73/19,707.68
  6. Step 6: Final answer
    x = 14,726.86

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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.