Home / 25,728.37-38,592.15-8,198.08

Finding the Fourth Proportional to 25,728.37, 38,592.15 and 8,198.08

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Solution

The fourth proportional to 25,728.37, 38,592.15 and 8,198.08 is: 12,296.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,728.37 : 38,592.15 = 8,198.08 : x
  2. Step 2: Convert to fraction form
    25,728.37/38,592.15 = 8,198.08/x
  3. Step 3: Cross multiply
    25,728.37x = 38,592.15 × 8,198.08
  4. Step 4: Simplify right side
    25,728.37x = 316,381,533.07
  5. Step 5: Solve for x
    x = 316,381,533.07/25,728.37
  6. Step 6: Final answer
    x = 12,296.99

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Half scale
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Similar ratio
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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.