Home / 20,184.14-27,849.74-12,226.70

Finding the Fourth Proportional to 20,184.14, 27,849.74 and 12,226.70

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Solution

The fourth proportional to 20,184.14, 27,849.74 and 12,226.70 is: 16,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,184.14 : 27,849.74 = 12,226.70 : x
  2. Step 2: Convert to fraction form
    20,184.14/27,849.74 = 12,226.70/x
  3. Step 3: Cross multiply
    20,184.14x = 27,849.74 × 12,226.70
  4. Step 4: Simplify right side
    20,184.14x = 340,510,416.06
  5. Step 5: Solve for x
    x = 340,510,416.06/20,184.14
  6. Step 6: Final answer
    x = 16,870.20

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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.