Home / 19,320.80-26,560.24-16,622.16

Finding the Fourth Proportional to 19,320.80, 26,560.24 and 16,622.16

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Solution

The fourth proportional to 19,320.80, 26,560.24 and 16,622.16 is: 22,850.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,320.80 : 26,560.24 = 16,622.16 : x
  2. Step 2: Convert to fraction form
    19,320.80/26,560.24 = 16,622.16/x
  3. Step 3: Cross multiply
    19,320.80x = 26,560.24 × 16,622.16
  4. Step 4: Simplify right side
    19,320.80x = 441,488,558.92
  5. Step 5: Solve for x
    x = 441,488,558.92/19,320.80
  6. Step 6: Final answer
    x = 22,850.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.