Home / 15,607.38-23,409.27-3,919.71

Finding the Fourth Proportional to 15,607.38, 23,409.27 and 3,919.71

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Solution

The fourth proportional to 15,607.38, 23,409.27 and 3,919.71 is: 5,879.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,607.38 : 23,409.27 = 3,919.71 : x
  2. Step 2: Convert to fraction form
    15,607.38/23,409.27 = 3,919.71/x
  3. Step 3: Cross multiply
    15,607.38x = 23,409.27 × 3,919.71
  4. Step 4: Simplify right side
    15,607.38x = 91,757,549.71
  5. Step 5: Solve for x
    x = 91,757,549.71/15,607.38
  6. Step 6: Final answer
    x = 5,879.11

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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.