Home / 22,115.85-30,487.64-16,801.44

Finding the Fourth Proportional to 22,115.85, 30,487.64 and 16,801.44

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Solution

The fourth proportional to 22,115.85, 30,487.64 and 16,801.44 is: 23,161.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,115.85 : 30,487.64 = 16,801.44 : x
  2. Step 2: Convert to fraction form
    22,115.85/30,487.64 = 16,801.44/x
  3. Step 3: Cross multiply
    22,115.85x = 30,487.64 × 16,801.44
  4. Step 4: Simplify right side
    22,115.85x = 512,236,170.19
  5. Step 5: Solve for x
    x = 512,236,170.19/22,115.85
  6. Step 6: Final answer
    x = 23,161.50

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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.