Home / 43,399.68-65,104.32-13,807.14

Finding the Fourth Proportional to 43,399.68, 65,104.32 and 13,807.14

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Solution

The fourth proportional to 43,399.68, 65,104.32 and 13,807.14 is: 20,712.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,399.68 : 65,104.32 = 13,807.14 : x
  2. Step 2: Convert to fraction form
    43,399.68/65,104.32 = 13,807.14/x
  3. Step 3: Cross multiply
    43,399.68x = 65,104.32 × 13,807.14
  4. Step 4: Simplify right side
    43,399.68x = 898,904,460.84
  5. Step 5: Solve for x
    x = 898,904,460.84/43,399.68
  6. Step 6: Final answer
    x = 20,712.24

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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.