Home / 19,855.27-29,781.05-6,707.76

Finding the Fourth Proportional to 19,855.27, 29,781.05 and 6,707.76

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Solution

The fourth proportional to 19,855.27, 29,781.05 and 6,707.76 is: 10,061.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,855.27 : 29,781.05 = 6,707.76 : x
  2. Step 2: Convert to fraction form
    19,855.27/29,781.05 = 6,707.76/x
  3. Step 3: Cross multiply
    19,855.27x = 29,781.05 × 6,707.76
  4. Step 4: Simplify right side
    19,855.27x = 199,764,135.95
  5. Step 5: Solve for x
    x = 199,764,135.95/19,855.27
  6. Step 6: Final answer
    x = 10,061.01

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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.