Home / 13,343.56-20,015.70-3,482.62

Finding the Fourth Proportional to 13,343.56, 20,015.70 and 3,482.62

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Solution

The fourth proportional to 13,343.56, 20,015.70 and 3,482.62 is: 5,224.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,343.56 : 20,015.70 = 3,482.62 : x
  2. Step 2: Convert to fraction form
    13,343.56/20,015.70 = 3,482.62/x
  3. Step 3: Cross multiply
    13,343.56x = 20,015.70 × 3,482.62
  4. Step 4: Simplify right side
    13,343.56x = 69,707,077.13
  5. Step 5: Solve for x
    x = 69,707,077.13/13,343.56
  6. Step 6: Final answer
    x = 5,224.02

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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.