Home / 20,049.66-27,657.18-12,087.36

Finding the Fourth Proportional to 20,049.66, 27,657.18 and 12,087.36

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Solution

The fourth proportional to 20,049.66, 27,657.18 and 12,087.36 is: 16,673.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,049.66 : 27,657.18 = 12,087.36 : x
  2. Step 2: Convert to fraction form
    20,049.66/27,657.18 = 12,087.36/x
  3. Step 3: Cross multiply
    20,049.66x = 27,657.18 × 12,087.36
  4. Step 4: Simplify right side
    20,049.66x = 334,302,291.24
  5. Step 5: Solve for x
    x = 334,302,291.24/20,049.66
  6. Step 6: Final answer
    x = 16,673.71

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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.