Home / 14,911.25-22,361.39-4,378.56

Finding the Fourth Proportional to 14,911.25, 22,361.39 and 4,378.56

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Solution

The fourth proportional to 14,911.25, 22,361.39 and 4,378.56 is: 6,566.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,911.25 : 22,361.39 = 4,378.56 : x
  2. Step 2: Convert to fraction form
    14,911.25/22,361.39 = 4,378.56/x
  3. Step 3: Cross multiply
    14,911.25x = 22,361.39 × 4,378.56
  4. Step 4: Simplify right side
    14,911.25x = 97,910,665.91
  5. Step 5: Solve for x
    x = 97,910,665.91/14,911.25
  6. Step 6: Final answer
    x = 6,566.23

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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.