Home / 19,781.16-29,663.06-5,926.92

Finding the Fourth Proportional to 19,781.16, 29,663.06 and 5,926.92

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Solution

The fourth proportional to 19,781.16, 29,663.06 and 5,926.92 is: 8,887.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,781.16 : 29,663.06 = 5,926.92 : x
  2. Step 2: Convert to fraction form
    19,781.16/29,663.06 = 5,926.92/x
  3. Step 3: Cross multiply
    19,781.16x = 29,663.06 × 5,926.92
  4. Step 4: Simplify right side
    19,781.16x = 175,810,583.58
  5. Step 5: Solve for x
    x = 175,810,583.58/19,781.16
  6. Step 6: Final answer
    x = 8,887.78

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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.