Home / 15,163.12-22,740.29-5,167.64

Finding the Fourth Proportional to 15,163.12, 22,740.29 and 5,167.64

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Solution

The fourth proportional to 15,163.12, 22,740.29 and 5,167.64 is: 7,749.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,163.12 : 22,740.29 = 5,167.64 : x
  2. Step 2: Convert to fraction form
    15,163.12/22,740.29 = 5,167.64/x
  3. Step 3: Cross multiply
    15,163.12x = 22,740.29 × 5,167.64
  4. Step 4: Simplify right side
    15,163.12x = 117,513,554.69
  5. Step 5: Solve for x
    x = 117,513,554.69/15,163.12
  6. Step 6: Final answer
    x = 7,749.96

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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.