Home / 13,565.24-20,350.96-5,245.32

Finding the Fourth Proportional to 13,565.24, 20,350.96 and 5,245.32

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Solution

The fourth proportional to 13,565.24, 20,350.96 and 5,245.32 is: 7,869.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,565.24 : 20,350.96 = 5,245.32 : x
  2. Step 2: Convert to fraction form
    13,565.24/20,350.96 = 5,245.32/x
  3. Step 3: Cross multiply
    13,565.24x = 20,350.96 × 5,245.32
  4. Step 4: Simplify right side
    13,565.24x = 106,747,297.51
  5. Step 5: Solve for x
    x = 106,747,297.51/13,565.24
  6. Step 6: Final answer
    x = 7,869.18

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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.