Home / 16,223.70-22,387.86-9,149.67

Finding the Fourth Proportional to 16,223.70, 22,387.86 and 9,149.67

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Solution

The fourth proportional to 16,223.70, 22,387.86 and 9,149.67 is: 12,626.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,223.70 : 22,387.86 = 9,149.67 : x
  2. Step 2: Convert to fraction form
    16,223.70/22,387.86 = 9,149.67/x
  3. Step 3: Cross multiply
    16,223.70x = 22,387.86 × 9,149.67
  4. Step 4: Simplify right side
    16,223.70x = 204,841,531.01
  5. Step 5: Solve for x
    x = 204,841,531.01/16,223.70
  6. Step 6: Final answer
    x = 12,626.07

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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.