Home / 11,919.86-17,799.52-9,732.86

Finding the Fourth Proportional to 11,919.86, 17,799.52 and 9,732.86

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Solution

The fourth proportional to 11,919.86, 17,799.52 and 9,732.86 is: 14,533.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,919.86 : 17,799.52 = 9,732.86 : x
  2. Step 2: Convert to fraction form
    11,919.86/17,799.52 = 9,732.86/x
  3. Step 3: Cross multiply
    11,919.86x = 17,799.52 × 9,732.86
  4. Step 4: Simplify right side
    11,919.86x = 173,240,236.23
  5. Step 5: Solve for x
    x = 173,240,236.23/11,919.86
  6. Step 6: Final answer
    x = 14,533.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.