Home / 14,961.56-20,646.78-8,674.52

Finding the Fourth Proportional to 14,961.56, 20,646.78 and 8,674.52

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Solution

The fourth proportional to 14,961.56, 20,646.78 and 8,674.52 is: 11,970.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,961.56 : 20,646.78 = 8,674.52 : x
  2. Step 2: Convert to fraction form
    14,961.56/20,646.78 = 8,674.52/x
  3. Step 3: Cross multiply
    14,961.56x = 20,646.78 × 8,674.52
  4. Step 4: Simplify right side
    14,961.56x = 179,100,906.05
  5. Step 5: Solve for x
    x = 179,100,906.05/14,961.56
  6. Step 6: Final answer
    x = 11,970.74

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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.