Home / 14,972.06-20,662.38-8,600.64

Finding the Fourth Proportional to 14,972.06, 20,662.38 and 8,600.64

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Solution

The fourth proportional to 14,972.06, 20,662.38 and 8,600.64 is: 11,869.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,972.06 : 20,662.38 = 8,600.64 : x
  2. Step 2: Convert to fraction form
    14,972.06/20,662.38 = 8,600.64/x
  3. Step 3: Cross multiply
    14,972.06x = 20,662.38 × 8,600.64
  4. Step 4: Simplify right side
    14,972.06x = 177,709,691.92
  5. Step 5: Solve for x
    x = 177,709,691.92/14,972.06
  6. Step 6: Final answer
    x = 11,869.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.