Home / 19,226.27-28,799.06-12,202.67

Finding the Fourth Proportional to 19,226.27, 28,799.06 and 12,202.67

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Solution

The fourth proportional to 19,226.27, 28,799.06 and 12,202.67 is: 18,278.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,226.27 : 28,799.06 = 12,202.67 : x
  2. Step 2: Convert to fraction form
    19,226.27/28,799.06 = 12,202.67/x
  3. Step 3: Cross multiply
    19,226.27x = 28,799.06 × 12,202.67
  4. Step 4: Simplify right side
    19,226.27x = 351,425,220.48
  5. Step 5: Solve for x
    x = 351,425,220.48/19,226.27
  6. Step 6: Final answer
    x = 18,278.39

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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.