Home / 15,163.34-22,740.42-5,300.78

Finding the Fourth Proportional to 15,163.34, 22,740.42 and 5,300.78

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Solution

The fourth proportional to 15,163.34, 22,740.42 and 5,300.78 is: 7,949.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,163.34 : 22,740.42 = 5,300.78 : x
  2. Step 2: Convert to fraction form
    15,163.34/22,740.42 = 5,300.78/x
  3. Step 3: Cross multiply
    15,163.34x = 22,740.42 × 5,300.78
  4. Step 4: Simplify right side
    15,163.34x = 120,541,963.53
  5. Step 5: Solve for x
    x = 120,541,963.53/15,163.34
  6. Step 6: Final answer
    x = 7,949.57

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1.5x scale

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.