Home / 15,107.12-22,657.25-5,743.81

Finding the Fourth Proportional to 15,107.12, 22,657.25 and 5,743.81

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Solution

The fourth proportional to 15,107.12, 22,657.25 and 5,743.81 is: 8,614.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,107.12 : 22,657.25 = 5,743.81 : x
  2. Step 2: Convert to fraction form
    15,107.12/22,657.25 = 5,743.81/x
  3. Step 3: Cross multiply
    15,107.12x = 22,657.25 × 5,743.81
  4. Step 4: Simplify right side
    15,107.12x = 130,138,797.12
  5. Step 5: Solve for x
    x = 130,138,797.12/15,107.12
  6. Step 6: Final answer
    x = 8,614.40

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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.