Home / 15,163.40-22,730.72-5,296.25

Finding the Fourth Proportional to 15,163.40, 22,730.72 and 5,296.25

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Solution

The fourth proportional to 15,163.40, 22,730.72 and 5,296.25 is: 7,939.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,163.40 : 22,730.72 = 5,296.25 : x
  2. Step 2: Convert to fraction form
    15,163.40/22,730.72 = 5,296.25/x
  3. Step 3: Cross multiply
    15,163.40x = 22,730.72 × 5,296.25
  4. Step 4: Simplify right side
    15,163.40x = 120,387,606.15
  5. Step 5: Solve for x
    x = 120,387,606.15/15,163.40
  6. Step 6: Final answer
    x = 7,939.35

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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.