Home / 25,659.54-35,299.17-20,933.46

Finding the Fourth Proportional to 25,659.54, 35,299.17 and 20,933.46

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Solution

The fourth proportional to 25,659.54, 35,299.17 and 20,933.46 is: 28,797.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,659.54 : 35,299.17 = 20,933.46 : x
  2. Step 2: Convert to fraction form
    25,659.54/35,299.17 = 20,933.46/x
  3. Step 3: Cross multiply
    25,659.54x = 35,299.17 × 20,933.46
  4. Step 4: Simplify right side
    25,659.54x = 738,933,763.23
  5. Step 5: Solve for x
    x = 738,933,763.23/25,659.54
  6. Step 6: Final answer
    x = 28,797.62

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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.