Home / 25,764.94-38,645.52-8,230.06

Finding the Fourth Proportional to 25,764.94, 38,645.52 and 8,230.06

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Solution

The fourth proportional to 25,764.94, 38,645.52 and 8,230.06 is: 12,344.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,764.94 : 38,645.52 = 8,230.06 : x
  2. Step 2: Convert to fraction form
    25,764.94/38,645.52 = 8,230.06/x
  3. Step 3: Cross multiply
    25,764.94x = 38,645.52 × 8,230.06
  4. Step 4: Simplify right side
    25,764.94x = 318,054,948.33
  5. Step 5: Solve for x
    x = 318,054,948.33/25,764.94
  6. Step 6: Final answer
    x = 12,344.49

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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.