Home / 16,021.53-22,108.05-9,308.57

Finding the Fourth Proportional to 16,021.53, 22,108.05 and 9,308.57

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Solution

The fourth proportional to 16,021.53, 22,108.05 and 9,308.57 is: 12,844.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,021.53 : 22,108.05 = 9,308.57 : x
  2. Step 2: Convert to fraction form
    16,021.53/22,108.05 = 9,308.57/x
  3. Step 3: Cross multiply
    16,021.53x = 22,108.05 × 9,308.57
  4. Step 4: Simplify right side
    16,021.53x = 205,794,220.45
  5. Step 5: Solve for x
    x = 205,794,220.45/16,021.53
  6. Step 6: Final answer
    x = 12,844.85

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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.