Home / 18,889.05-26,066.91-10,391.83

Finding the Fourth Proportional to 18,889.05, 26,066.91 and 10,391.83

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Solution

The fourth proportional to 18,889.05, 26,066.91 and 10,391.83 is: 14,340.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,889.05 : 26,066.91 = 10,391.83 : x
  2. Step 2: Convert to fraction form
    18,889.05/26,066.91 = 10,391.83/x
  3. Step 3: Cross multiply
    18,889.05x = 26,066.91 × 10,391.83
  4. Step 4: Simplify right side
    18,889.05x = 270,882,812.69
  5. Step 5: Solve for x
    x = 270,882,812.69/18,889.05
  6. Step 6: Final answer
    x = 14,340.73

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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.