Home / 14,979.39-20,670.84-8,601.48

Finding the Fourth Proportional to 14,979.39, 20,670.84 and 8,601.48

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Solution

The fourth proportional to 14,979.39, 20,670.84 and 8,601.48 is: 11,869.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,979.39 : 20,670.84 = 8,601.48 : x
  2. Step 2: Convert to fraction form
    14,979.39/20,670.84 = 8,601.48/x
  3. Step 3: Cross multiply
    14,979.39x = 20,670.84 × 8,601.48
  4. Step 4: Simplify right side
    14,979.39x = 177,799,816.84
  5. Step 5: Solve for x
    x = 177,799,816.84/14,979.39
  6. Step 6: Final answer
    x = 11,869.63

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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.