Home / 19,376.28-29,061.72-6,229.80

Finding the Fourth Proportional to 19,376.28, 29,061.72 and 6,229.80

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Solution

The fourth proportional to 19,376.28, 29,061.72 and 6,229.80 is: 9,343.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,376.28 : 29,061.72 = 6,229.80 : x
  2. Step 2: Convert to fraction form
    19,376.28/29,061.72 = 6,229.80/x
  3. Step 3: Cross multiply
    19,376.28x = 29,061.72 × 6,229.80
  4. Step 4: Simplify right side
    19,376.28x = 181,048,703.26
  5. Step 5: Solve for x
    x = 181,048,703.26/19,376.28
  6. Step 6: Final answer
    x = 9,343.83

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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.