Home / 14,919.85-22,378.11-3,826.81

Finding the Fourth Proportional to 14,919.85, 22,378.11 and 3,826.81

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Solution

The fourth proportional to 14,919.85, 22,378.11 and 3,826.81 is: 5,739.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,919.85 : 22,378.11 = 3,826.81 : x
  2. Step 2: Convert to fraction form
    14,919.85/22,378.11 = 3,826.81/x
  3. Step 3: Cross multiply
    14,919.85x = 22,378.11 × 3,826.81
  4. Step 4: Simplify right side
    14,919.85x = 85,636,663.24
  5. Step 5: Solve for x
    x = 85,636,663.24/14,919.85
  6. Step 6: Final answer
    x = 5,739.78

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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.