Home / 25,728.84-38,596.91-8,192.75

Finding the Fourth Proportional to 25,728.84, 38,596.91 and 8,192.75

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Solution

The fourth proportional to 25,728.84, 38,596.91 and 8,192.75 is: 12,290.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,728.84 : 38,596.91 = 8,192.75 : x
  2. Step 2: Convert to fraction form
    25,728.84/38,596.91 = 8,192.75/x
  3. Step 3: Cross multiply
    25,728.84x = 38,596.91 × 8,192.75
  4. Step 4: Simplify right side
    25,728.84x = 316,214,600.45
  5. Step 5: Solve for x
    x = 316,214,600.45/25,728.84
  6. Step 6: Final answer
    x = 12,290.28

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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.