Home / 22,278.27-30,743.94-12,206.67

Finding the Fourth Proportional to 22,278.27, 30,743.94 and 12,206.67

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Solution

The fourth proportional to 22,278.27, 30,743.94 and 12,206.67 is: 16,845.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,278.27 : 30,743.94 = 12,206.67 : x
  2. Step 2: Convert to fraction form
    22,278.27/30,743.94 = 12,206.67/x
  3. Step 3: Cross multiply
    22,278.27x = 30,743.94 × 12,206.67
  4. Step 4: Simplify right side
    22,278.27x = 375,281,130.08
  5. Step 5: Solve for x
    x = 375,281,130.08/22,278.27
  6. Step 6: Final answer
    x = 16,845.16

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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.