Home / 16,783.11-23,160.77-9,229.92

Finding the Fourth Proportional to 16,783.11, 23,160.77 and 9,229.92

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Solution

The fourth proportional to 16,783.11, 23,160.77 and 9,229.92 is: 12,737.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,783.11 : 23,160.77 = 9,229.92 : x
  2. Step 2: Convert to fraction form
    16,783.11/23,160.77 = 9,229.92/x
  3. Step 3: Cross multiply
    16,783.11x = 23,160.77 × 9,229.92
  4. Step 4: Simplify right side
    16,783.11x = 213,772,054.24
  5. Step 5: Solve for x
    x = 213,772,054.24/16,783.11
  6. Step 6: Final answer
    x = 12,737.33

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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.