Home / 16,860.66-23,270.85-9,694.77

Finding the Fourth Proportional to 16,860.66, 23,270.85 and 9,694.77

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Solution

The fourth proportional to 16,860.66, 23,270.85 and 9,694.77 is: 13,380.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,860.66 : 23,270.85 = 9,694.77 : x
  2. Step 2: Convert to fraction form
    16,860.66/23,270.85 = 9,694.77/x
  3. Step 3: Cross multiply
    16,860.66x = 23,270.85 × 9,694.77
  4. Step 4: Simplify right side
    16,860.66x = 225,605,538.45
  5. Step 5: Solve for x
    x = 225,605,538.45/16,860.66
  6. Step 6: Final answer
    x = 13,380.59

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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.