Home / 18,162.16-25,063.81-10,204.38

Finding the Fourth Proportional to 18,162.16, 25,063.81 and 10,204.38

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Solution

The fourth proportional to 18,162.16, 25,063.81 and 10,204.38 is: 14,082.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,162.16 : 25,063.81 = 10,204.38 : x
  2. Step 2: Convert to fraction form
    18,162.16/25,063.81 = 10,204.38/x
  3. Step 3: Cross multiply
    18,162.16x = 25,063.81 × 10,204.38
  4. Step 4: Simplify right side
    18,162.16x = 255,760,665.88
  5. Step 5: Solve for x
    x = 255,760,665.88/18,162.16
  6. Step 6: Final answer
    x = 14,082.06

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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.