Home / 20,395.38-30,574.94-7,246.02

Finding the Fourth Proportional to 20,395.38, 30,574.94 and 7,246.02

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Solution

The fourth proportional to 20,395.38, 30,574.94 and 7,246.02 is: 10,862.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,395.38 : 30,574.94 = 7,246.02 : x
  2. Step 2: Convert to fraction form
    20,395.38/30,574.94 = 7,246.02/x
  3. Step 3: Cross multiply
    20,395.38x = 30,574.94 × 7,246.02
  4. Step 4: Simplify right side
    20,395.38x = 221,546,626.74
  5. Step 5: Solve for x
    x = 221,546,626.74/20,395.38
  6. Step 6: Final answer
    x = 10,862.59

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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.