Home / 19,786.25-29,679.38-5,935.25

Finding the Fourth Proportional to 19,786.25, 29,679.38 and 5,935.25

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Solution

The fourth proportional to 19,786.25, 29,679.38 and 5,935.25 is: 8,902.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,786.25 : 29,679.38 = 5,935.25 : x
  2. Step 2: Convert to fraction form
    19,786.25/29,679.38 = 5,935.25/x
  3. Step 3: Cross multiply
    19,786.25x = 29,679.38 × 5,935.25
  4. Step 4: Simplify right side
    19,786.25x = 176,154,510.47
  5. Step 5: Solve for x
    x = 176,154,510.47/19,786.25
  6. Step 6: Final answer
    x = 8,902.88

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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.