Home / 25,763.10-38,633.85-8,228.22

Finding the Fourth Proportional to 25,763.10, 38,633.85 and 8,228.22

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Solution

The fourth proportional to 25,763.10, 38,633.85 and 8,228.22 is: 12,338.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,763.10 : 38,633.85 = 8,228.22 : x
  2. Step 2: Convert to fraction form
    25,763.10/38,633.85 = 8,228.22/x
  3. Step 3: Cross multiply
    25,763.10x = 38,633.85 × 8,228.22
  4. Step 4: Simplify right side
    25,763.10x = 317,887,817.25
  5. Step 5: Solve for x
    x = 317,887,817.25/25,763.10
  6. Step 6: Final answer
    x = 12,338.88

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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.