Home / 18,723.36-25,838.24-10,767.15

Finding the Fourth Proportional to 18,723.36, 25,838.24 and 10,767.15

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Solution

The fourth proportional to 18,723.36, 25,838.24 and 10,767.15 is: 14,858.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,723.36 : 25,838.24 = 10,767.15 : x
  2. Step 2: Convert to fraction form
    18,723.36/25,838.24 = 10,767.15/x
  3. Step 3: Cross multiply
    18,723.36x = 25,838.24 × 10,767.15
  4. Step 4: Simplify right side
    18,723.36x = 278,204,151.98
  5. Step 5: Solve for x
    x = 278,204,151.98/18,723.36
  6. Step 6: Final answer
    x = 14,858.67

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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.