Home / 16,767.77-23,148.65-11,747.39

Finding the Fourth Proportional to 16,767.77, 23,148.65 and 11,747.39

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Solution

The fourth proportional to 16,767.77, 23,148.65 and 11,747.39 is: 16,217.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,767.77 : 23,148.65 = 11,747.39 : x
  2. Step 2: Convert to fraction form
    16,767.77/23,148.65 = 11,747.39/x
  3. Step 3: Cross multiply
    16,767.77x = 23,148.65 × 11,747.39
  4. Step 4: Simplify right side
    16,767.77x = 271,936,133.15
  5. Step 5: Solve for x
    x = 271,936,133.15/16,767.77
  6. Step 6: Final answer
    x = 16,217.79

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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.