Home / 25,378.45-35,022.00-15,174.17

Finding the Fourth Proportional to 25,378.45, 35,022.00 and 15,174.17

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Solution

The fourth proportional to 25,378.45, 35,022.00 and 15,174.17 is: 20,940.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,378.45 : 35,022.00 = 15,174.17 : x
  2. Step 2: Convert to fraction form
    25,378.45/35,022.00 = 15,174.17/x
  3. Step 3: Cross multiply
    25,378.45x = 35,022.00 × 15,174.17
  4. Step 4: Simplify right side
    25,378.45x = 531,429,794.87
  5. Step 5: Solve for x
    x = 531,429,794.87/25,378.45
  6. Step 6: Final answer
    x = 20,940.20

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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.