Home / 13,353.56-20,038.05-5,039.42

Finding the Fourth Proportional to 13,353.56, 20,038.05 and 5,039.42

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Solution

The fourth proportional to 13,353.56, 20,038.05 and 5,039.42 is: 7,562.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353.56 : 20,038.05 = 5,039.42 : x
  2. Step 2: Convert to fraction form
    13,353.56/20,038.05 = 5,039.42/x
  3. Step 3: Cross multiply
    13,353.56x = 20,038.05 × 5,039.42
  4. Step 4: Simplify right side
    13,353.56x = 100,980,049.74
  5. Step 5: Solve for x
    x = 100,980,049.74/13,353.56
  6. Step 6: Final answer
    x = 7,562.03

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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.