Home / 14,836.06-20,473.78-8,121.74

Finding the Fourth Proportional to 14,836.06, 20,473.78 and 8,121.74

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Solution

The fourth proportional to 14,836.06, 20,473.78 and 8,121.74 is: 11,208.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,836.06 : 20,473.78 = 8,121.74 : x
  2. Step 2: Convert to fraction form
    14,836.06/20,473.78 = 8,121.74/x
  3. Step 3: Cross multiply
    14,836.06x = 20,473.78 × 8,121.74
  4. Step 4: Simplify right side
    14,836.06x = 166,282,610.53
  5. Step 5: Solve for x
    x = 166,282,610.53/14,836.06
  6. Step 6: Final answer
    x = 11,208.00

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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.