Home / 19,346.04-29,020.68-6,868.80

Finding the Fourth Proportional to 19,346.04, 29,020.68 and 6,868.80

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Solution

The fourth proportional to 19,346.04, 29,020.68 and 6,868.80 is: 10,303.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,346.04 : 29,020.68 = 6,868.80 : x
  2. Step 2: Convert to fraction form
    19,346.04/29,020.68 = 6,868.80/x
  3. Step 3: Cross multiply
    19,346.04x = 29,020.68 × 6,868.80
  4. Step 4: Simplify right side
    19,346.04x = 199,337,246.78
  5. Step 5: Solve for x
    x = 199,337,246.78/19,346.04
  6. Step 6: Final answer
    x = 10,303.78

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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.