Home / 13,135.24-19,704.48-5,343.04

Finding the Fourth Proportional to 13,135.24, 19,704.48 and 5,343.04

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Solution

The fourth proportional to 13,135.24, 19,704.48 and 5,343.04 is: 8,015.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,135.24 : 19,704.48 = 5,343.04 : x
  2. Step 2: Convert to fraction form
    13,135.24/19,704.48 = 5,343.04/x
  3. Step 3: Cross multiply
    13,135.24x = 19,704.48 × 5,343.04
  4. Step 4: Simplify right side
    13,135.24x = 105,281,824.82
  5. Step 5: Solve for x
    x = 105,281,824.82/13,135.24
  6. Step 6: Final answer
    x = 8,015.22

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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.