Home / 16,783.74-23,161.67-9,229.81

Finding the Fourth Proportional to 16,783.74, 23,161.67 and 9,229.81

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Solution

The fourth proportional to 16,783.74, 23,161.67 and 9,229.81 is: 12,737.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,783.74 : 23,161.67 = 9,229.81 : x
  2. Step 2: Convert to fraction form
    16,783.74/23,161.67 = 9,229.81/x
  3. Step 3: Cross multiply
    16,783.74x = 23,161.67 × 9,229.81
  4. Step 4: Simplify right side
    16,783.74x = 213,777,813.38
  5. Step 5: Solve for x
    x = 213,777,813.38/16,783.74
  6. Step 6: Final answer
    x = 12,737.20

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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.