Home / 19,175.84-28,722.20-9,294.44

Finding the Fourth Proportional to 19,175.84, 28,722.20 and 9,294.44

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Solution

The fourth proportional to 19,175.84, 28,722.20 and 9,294.44 is: 13,921.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,175.84 : 28,722.20 = 9,294.44 : x
  2. Step 2: Convert to fraction form
    19,175.84/28,722.20 = 9,294.44/x
  3. Step 3: Cross multiply
    19,175.84x = 28,722.20 × 9,294.44
  4. Step 4: Simplify right side
    19,175.84x = 266,956,764.57
  5. Step 5: Solve for x
    x = 266,956,764.57/19,175.84
  6. Step 6: Final answer
    x = 13,921.52

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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.