Home / 13,363.88-20,043.47-3,502.53

Finding the Fourth Proportional to 13,363.88, 20,043.47 and 3,502.53

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Solution

The fourth proportional to 13,363.88, 20,043.47 and 3,502.53 is: 5,253.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363.88 : 20,043.47 = 3,502.53 : x
  2. Step 2: Convert to fraction form
    13,363.88/20,043.47 = 3,502.53/x
  3. Step 3: Cross multiply
    13,363.88x = 20,043.47 × 3,502.53
  4. Step 4: Simplify right side
    13,363.88x = 70,202,837.47
  5. Step 5: Solve for x
    x = 70,202,837.47/13,363.88
  6. Step 6: Final answer
    x = 5,253.18

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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.