Home / 14,149.77-21,224.64-3,761.52

Finding the Fourth Proportional to 14,149.77, 21,224.64 and 3,761.52

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Solution

The fourth proportional to 14,149.77, 21,224.64 and 3,761.52 is: 5,642.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,149.77 : 21,224.64 = 3,761.52 : x
  2. Step 2: Convert to fraction form
    14,149.77/21,224.64 = 3,761.52/x
  3. Step 3: Cross multiply
    14,149.77x = 21,224.64 × 3,761.52
  4. Step 4: Simplify right side
    14,149.77x = 79,836,889.05
  5. Step 5: Solve for x
    x = 79,836,889.05/14,149.77
  6. Step 6: Final answer
    x = 5,642.27

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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.