Home / 14,972.74-20,662.34-8,599.75

Finding the Fourth Proportional to 14,972.74, 20,662.34 and 8,599.75

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Solution

The fourth proportional to 14,972.74, 20,662.34 and 8,599.75 is: 11,867.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,972.74 : 20,662.34 = 8,599.75 : x
  2. Step 2: Convert to fraction form
    14,972.74/20,662.34 = 8,599.75/x
  3. Step 3: Cross multiply
    14,972.74x = 20,662.34 × 8,599.75
  4. Step 4: Simplify right side
    14,972.74x = 177,690,928.26
  5. Step 5: Solve for x
    x = 177,690,928.26/14,972.74
  6. Step 6: Final answer
    x = 11,867.63

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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.