Home / 22,163.56-30,583.52-15,463.59

Finding the Fourth Proportional to 22,163.56, 30,583.52 and 15,463.59

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Solution

The fourth proportional to 22,163.56, 30,583.52 and 15,463.59 is: 21,338.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,163.56 : 30,583.52 = 15,463.59 : x
  2. Step 2: Convert to fraction form
    22,163.56/30,583.52 = 15,463.59/x
  3. Step 3: Cross multiply
    22,163.56x = 30,583.52 × 15,463.59
  4. Step 4: Simplify right side
    22,163.56x = 472,930,880.02
  5. Step 5: Solve for x
    x = 472,930,880.02/22,163.56
  6. Step 6: Final answer
    x = 21,338.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.