Home / 16,612.78-22,925.70-9,538.75

Finding the Fourth Proportional to 16,612.78, 22,925.70 and 9,538.75

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Solution

The fourth proportional to 16,612.78, 22,925.70 and 9,538.75 is: 13,163.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,612.78 : 22,925.70 = 9,538.75 : x
  2. Step 2: Convert to fraction form
    16,612.78/22,925.70 = 9,538.75/x
  3. Step 3: Cross multiply
    16,612.78x = 22,925.70 × 9,538.75
  4. Step 4: Simplify right side
    16,612.78x = 218,682,520.88
  5. Step 5: Solve for x
    x = 218,682,520.88/16,612.78
  6. Step 6: Final answer
    x = 13,163.51

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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.