Home / 19,217.79-28,844.64-11,836.67

Finding the Fourth Proportional to 19,217.79, 28,844.64 and 11,836.67

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Solution

The fourth proportional to 19,217.79, 28,844.64 and 11,836.67 is: 17,766.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,217.79 : 28,844.64 = 11,836.67 : x
  2. Step 2: Convert to fraction form
    19,217.79/28,844.64 = 11,836.67/x
  3. Step 3: Cross multiply
    19,217.79x = 28,844.64 × 11,836.67
  4. Step 4: Simplify right side
    19,217.79x = 341,424,340.73
  5. Step 5: Solve for x
    x = 341,424,340.73/19,217.79
  6. Step 6: Final answer
    x = 17,766.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.