Home / 19,268.38-28,902.57-5,417.38

Finding the Fourth Proportional to 19,268.38, 28,902.57 and 5,417.38

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Solution

The fourth proportional to 19,268.38, 28,902.57 and 5,417.38 is: 8,126.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,268.38 : 28,902.57 = 5,417.38 : x
  2. Step 2: Convert to fraction form
    19,268.38/28,902.57 = 5,417.38/x
  3. Step 3: Cross multiply
    19,268.38x = 28,902.57 × 5,417.38
  4. Step 4: Simplify right side
    19,268.38x = 156,576,033.07
  5. Step 5: Solve for x
    x = 156,576,033.07/19,268.38
  6. Step 6: Final answer
    x = 8,126.06

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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.