Home / 15,716.82-23,572.78-4,621.44

Finding the Fourth Proportional to 15,716.82, 23,572.78 and 4,621.44

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Solution

The fourth proportional to 15,716.82, 23,572.78 and 4,621.44 is: 6,931.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,716.82 : 23,572.78 = 4,621.44 : x
  2. Step 2: Convert to fraction form
    15,716.82/23,572.78 = 4,621.44/x
  3. Step 3: Cross multiply
    15,716.82x = 23,572.78 × 4,621.44
  4. Step 4: Simplify right side
    15,716.82x = 108,940,188.40
  5. Step 5: Solve for x
    x = 108,940,188.40/15,716.82
  6. Step 6: Final answer
    x = 6,931.44

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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.