Home / 18,204.71-25,082.33-15,028.11

Finding the Fourth Proportional to 18,204.71, 25,082.33 and 15,028.11

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Solution

The fourth proportional to 18,204.71, 25,082.33 and 15,028.11 is: 20,705.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,204.71 : 25,082.33 = 15,028.11 : x
  2. Step 2: Convert to fraction form
    18,204.71/25,082.33 = 15,028.11/x
  3. Step 3: Cross multiply
    18,204.71x = 25,082.33 × 15,028.11
  4. Step 4: Simplify right side
    18,204.71x = 376,939,939.16
  5. Step 5: Solve for x
    x = 376,939,939.16/18,204.71
  6. Step 6: Final answer
    x = 20,705.63

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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.