Home / 14,919.28-22,378.56-3,825.76

Finding the Fourth Proportional to 14,919.28, 22,378.56 and 3,825.76

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Solution

The fourth proportional to 14,919.28, 22,378.56 and 3,825.76 is: 5,738.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,919.28 : 22,378.56 = 3,825.76 : x
  2. Step 2: Convert to fraction form
    14,919.28/22,378.56 = 3,825.76/x
  3. Step 3: Cross multiply
    14,919.28x = 22,378.56 × 3,825.76
  4. Step 4: Simplify right side
    14,919.28x = 85,614,999.71
  5. Step 5: Solve for x
    x = 85,614,999.71/14,919.28
  6. Step 6: Final answer
    x = 5,738.55

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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.