Home / 15,155.80-22,734.78-5,293.96

Finding the Fourth Proportional to 15,155.80, 22,734.78 and 5,293.96

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Solution

The fourth proportional to 15,155.80, 22,734.78 and 5,293.96 is: 7,941.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,155.80 : 22,734.78 = 5,293.96 : x
  2. Step 2: Convert to fraction form
    15,155.80/22,734.78 = 5,293.96/x
  3. Step 3: Cross multiply
    15,155.80x = 22,734.78 × 5,293.96
  4. Step 4: Simplify right side
    15,155.80x = 120,357,015.93
  5. Step 5: Solve for x
    x = 120,357,015.93/15,155.80
  6. Step 6: Final answer
    x = 7,941.32

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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.