Home / 19,816.38-29,726.19-6,665.22

Finding the Fourth Proportional to 19,816.38, 29,726.19 and 6,665.22

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Solution

The fourth proportional to 19,816.38, 29,726.19 and 6,665.22 is: 9,998.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,816.38 : 29,726.19 = 6,665.22 : x
  2. Step 2: Convert to fraction form
    19,816.38/29,726.19 = 6,665.22/x
  3. Step 3: Cross multiply
    19,816.38x = 29,726.19 × 6,665.22
  4. Step 4: Simplify right side
    19,816.38x = 198,131,596.11
  5. Step 5: Solve for x
    x = 198,131,596.11/19,816.38
  6. Step 6: Final answer
    x = 9,998.37

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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.