Home / 19,827.18-29,740.68-6,679.53

Finding the Fourth Proportional to 19,827.18, 29,740.68 and 6,679.53

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Solution

The fourth proportional to 19,827.18, 29,740.68 and 6,679.53 is: 10,019.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,827.18 : 29,740.68 = 6,679.53 : x
  2. Step 2: Convert to fraction form
    19,827.18/29,740.68 = 6,679.53/x
  3. Step 3: Cross multiply
    19,827.18x = 29,740.68 × 6,679.53
  4. Step 4: Simplify right side
    19,827.18x = 198,653,764.28
  5. Step 5: Solve for x
    x = 198,653,764.28/19,827.18
  6. Step 6: Final answer
    x = 10,019.26

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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.