Home / 16,272.34-22,455.55-9,102.42

Finding the Fourth Proportional to 16,272.34, 22,455.55 and 9,102.42

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Solution

The fourth proportional to 16,272.34, 22,455.55 and 9,102.42 is: 12,561.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,272.34 : 22,455.55 = 9,102.42 : x
  2. Step 2: Convert to fraction form
    16,272.34/22,455.55 = 9,102.42/x
  3. Step 3: Cross multiply
    16,272.34x = 22,455.55 × 9,102.42
  4. Step 4: Simplify right side
    16,272.34x = 204,399,847.43
  5. Step 5: Solve for x
    x = 204,399,847.43/16,272.34
  6. Step 6: Final answer
    x = 12,561.18

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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.