Home / 18,227.35-25,152.82-10,270.05

Finding the Fourth Proportional to 18,227.35, 25,152.82 and 10,270.05

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Solution

The fourth proportional to 18,227.35, 25,152.82 and 10,270.05 is: 14,172.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,227.35 : 25,152.82 = 10,270.05 : x
  2. Step 2: Convert to fraction form
    18,227.35/25,152.82 = 10,270.05/x
  3. Step 3: Cross multiply
    18,227.35x = 25,152.82 × 10,270.05
  4. Step 4: Simplify right side
    18,227.35x = 258,320,719.04
  5. Step 5: Solve for x
    x = 258,320,719.04/18,227.35
  6. Step 6: Final answer
    x = 14,172.15

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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.