Home / 22,277.08-30,742.32-12,206.12

Finding the Fourth Proportional to 22,277.08, 30,742.32 and 12,206.12

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Solution

The fourth proportional to 22,277.08, 30,742.32 and 12,206.12 is: 16,844.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,277.08 : 30,742.32 = 12,206.12 : x
  2. Step 2: Convert to fraction form
    22,277.08/30,742.32 = 12,206.12/x
  3. Step 3: Cross multiply
    22,277.08x = 30,742.32 × 12,206.12
  4. Step 4: Simplify right side
    22,277.08x = 375,244,447.00
  5. Step 5: Solve for x
    x = 375,244,447.00/22,277.08
  6. Step 6: Final answer
    x = 16,844.42

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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.