Home / 22,206.45-30,644.54-12,134.67

Finding the Fourth Proportional to 22,206.45, 30,644.54 and 12,134.67

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Solution

The fourth proportional to 22,206.45, 30,644.54 and 12,134.67 is: 16,745.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,206.45 : 30,644.54 = 12,134.67 : x
  2. Step 2: Convert to fraction form
    22,206.45/30,644.54 = 12,134.67/x
  3. Step 3: Cross multiply
    22,206.45x = 30,644.54 × 12,134.67
  4. Step 4: Simplify right side
    22,206.45x = 371,861,319.53
  5. Step 5: Solve for x
    x = 371,861,319.53/22,206.45
  6. Step 6: Final answer
    x = 16,745.64

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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.