Home / 15,568.20-23,348.79-7,662.87

Finding the Fourth Proportional to 15,568.20, 23,348.79 and 7,662.87

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Solution

The fourth proportional to 15,568.20, 23,348.79 and 7,662.87 is: 11,492.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,568.20 : 23,348.79 = 7,662.87 : x
  2. Step 2: Convert to fraction form
    15,568.20/23,348.79 = 7,662.87/x
  3. Step 3: Cross multiply
    15,568.20x = 23,348.79 × 7,662.87
  4. Step 4: Simplify right side
    15,568.20x = 178,918,742.43
  5. Step 5: Solve for x
    x = 178,918,742.43/15,568.20
  6. Step 6: Final answer
    x = 11,492.58

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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.