Home / 18,227.72-25,154.64-10,269.76

Finding the Fourth Proportional to 18,227.72, 25,154.64 and 10,269.76

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Solution

The fourth proportional to 18,227.72, 25,154.64 and 10,269.76 is: 14,172.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,227.72 : 25,154.64 = 10,269.76 : x
  2. Step 2: Convert to fraction form
    18,227.72/25,154.64 = 10,269.76/x
  3. Step 3: Cross multiply
    18,227.72x = 25,154.64 × 10,269.76
  4. Step 4: Simplify right side
    18,227.72x = 258,332,115.69
  5. Step 5: Solve for x
    x = 258,332,115.69/18,227.72
  6. Step 6: Final answer
    x = 14,172.49

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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.