Home / 25,636.02-38,453.79-8,105.85

Finding the Fourth Proportional to 25,636.02, 38,453.79 and 8,105.85

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Solution

The fourth proportional to 25,636.02, 38,453.79 and 8,105.85 is: 12,158.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,636.02 : 38,453.79 = 8,105.85 : x
  2. Step 2: Convert to fraction form
    25,636.02/38,453.79 = 8,105.85/x
  3. Step 3: Cross multiply
    25,636.02x = 38,453.79 × 8,105.85
  4. Step 4: Simplify right side
    25,636.02x = 311,700,653.67
  5. Step 5: Solve for x
    x = 311,700,653.67/25,636.02
  6. Step 6: Final answer
    x = 12,158.70

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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.