Home / 13,131.24-19,697.03-4,366.15

Finding the Fourth Proportional to 13,131.24, 19,697.03 and 4,366.15

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Solution

The fourth proportional to 13,131.24, 19,697.03 and 4,366.15 is: 6,549.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,131.24 : 19,697.03 = 4,366.15 : x
  2. Step 2: Convert to fraction form
    13,131.24/19,697.03 = 4,366.15/x
  3. Step 3: Cross multiply
    13,131.24x = 19,697.03 × 4,366.15
  4. Step 4: Simplify right side
    13,131.24x = 86,000,232.68
  5. Step 5: Solve for x
    x = 86,000,232.68/13,131.24
  6. Step 6: Final answer
    x = 6,549.29

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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.