Home / 16,620.39-22,933.73-9,545.45

Finding the Fourth Proportional to 16,620.39, 22,933.73 and 9,545.45

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Solution

The fourth proportional to 16,620.39, 22,933.73 and 9,545.45 is: 13,171.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,620.39 : 22,933.73 = 9,545.45 : x
  2. Step 2: Convert to fraction form
    16,620.39/22,933.73 = 9,545.45/x
  3. Step 3: Cross multiply
    16,620.39x = 22,933.73 × 9,545.45
  4. Step 4: Simplify right side
    16,620.39x = 218,912,682.22
  5. Step 5: Solve for x
    x = 218,912,682.22/16,620.39
  6. Step 6: Final answer
    x = 13,171.33

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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.