Home / 25,109.10-37,663.87-6,389.15

Finding the Fourth Proportional to 25,109.10, 37,663.87 and 6,389.15

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Solution

The fourth proportional to 25,109.10, 37,663.87 and 6,389.15 is: 9,583.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,109.10 : 37,663.87 = 6,389.15 : x
  2. Step 2: Convert to fraction form
    25,109.10/37,663.87 = 6,389.15/x
  3. Step 3: Cross multiply
    25,109.10x = 37,663.87 × 6,389.15
  4. Step 4: Simplify right side
    25,109.10x = 240,640,115.01
  5. Step 5: Solve for x
    x = 240,640,115.01/25,109.10
  6. Step 6: Final answer
    x = 9,583.78

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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.