Home / 16,464.24-22,720.48-8,910.42

Finding the Fourth Proportional to 16,464.24, 22,720.48 and 8,910.42

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Solution

The fourth proportional to 16,464.24, 22,720.48 and 8,910.42 is: 12,296.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,464.24 : 22,720.48 = 8,910.42 : x
  2. Step 2: Convert to fraction form
    16,464.24/22,720.48 = 8,910.42/x
  3. Step 3: Cross multiply
    16,464.24x = 22,720.48 × 8,910.42
  4. Step 4: Simplify right side
    16,464.24x = 202,449,019.40
  5. Step 5: Solve for x
    x = 202,449,019.40/16,464.24
  6. Step 6: Final answer
    x = 12,296.29

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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.