Home / 25,634.91-35,366.70-15,020.67

Finding the Fourth Proportional to 25,634.91, 35,366.70 and 15,020.67

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Solution

The fourth proportional to 25,634.91, 35,366.70 and 15,020.67 is: 20,722.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,634.91 : 35,366.70 = 15,020.67 : x
  2. Step 2: Convert to fraction form
    25,634.91/35,366.70 = 15,020.67/x
  3. Step 3: Cross multiply
    25,634.91x = 35,366.70 × 15,020.67
  4. Step 4: Simplify right side
    25,634.91x = 531,231,529.69
  5. Step 5: Solve for x
    x = 531,231,529.69/25,634.91
  6. Step 6: Final answer
    x = 20,722.97

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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.