Home / 15,561.18-23,344.20-5,170.50

Finding the Fourth Proportional to 15,561.18, 23,344.20 and 5,170.50

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Solution

The fourth proportional to 15,561.18, 23,344.20 and 5,170.50 is: 7,756.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,561.18 : 23,344.20 = 5,170.50 : x
  2. Step 2: Convert to fraction form
    15,561.18/23,344.20 = 5,170.50/x
  3. Step 3: Cross multiply
    15,561.18x = 23,344.20 × 5,170.50
  4. Step 4: Simplify right side
    15,561.18x = 120,701,186.10
  5. Step 5: Solve for x
    x = 120,701,186.10/15,561.18
  6. Step 6: Final answer
    x = 7,756.56

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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.