Home / 19,356.18-29,034.33-5,316.42

Finding the Fourth Proportional to 19,356.18, 29,034.33 and 5,316.42

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Solution

The fourth proportional to 19,356.18, 29,034.33 and 5,316.42 is: 7,974.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,356.18 : 29,034.33 = 5,316.42 : x
  2. Step 2: Convert to fraction form
    19,356.18/29,034.33 = 5,316.42/x
  3. Step 3: Cross multiply
    19,356.18x = 29,034.33 × 5,316.42
  4. Step 4: Simplify right side
    19,356.18x = 154,358,692.70
  5. Step 5: Solve for x
    x = 154,358,692.70/19,356.18
  6. Step 6: Final answer
    x = 7,974.65

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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.