Home / 25,216.20-37,824.30-18,217.80

Finding the Fourth Proportional to 25,216.20, 37,824.30 and 18,217.80

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Solution

The fourth proportional to 25,216.20, 37,824.30 and 18,217.80 is: 27,326.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,216.20 : 37,824.30 = 18,217.80 : x
  2. Step 2: Convert to fraction form
    25,216.20/37,824.30 = 18,217.80/x
  3. Step 3: Cross multiply
    25,216.20x = 37,824.30 × 18,217.80
  4. Step 4: Simplify right side
    25,216.20x = 689,075,532.54
  5. Step 5: Solve for x
    x = 689,075,532.54/25,216.20
  6. Step 6: Final answer
    x = 27,326.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.