Home / 14,782.70-22,168.22-5,419.91

Finding the Fourth Proportional to 14,782.70, 22,168.22 and 5,419.91

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Solution

The fourth proportional to 14,782.70, 22,168.22 and 5,419.91 is: 8,127.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,782.70 : 22,168.22 = 5,419.91 : x
  2. Step 2: Convert to fraction form
    14,782.70/22,168.22 = 5,419.91/x
  3. Step 3: Cross multiply
    14,782.70x = 22,168.22 × 5,419.91
  4. Step 4: Simplify right side
    14,782.70x = 120,149,785.58
  5. Step 5: Solve for x
    x = 120,149,785.58/14,782.70
  6. Step 6: Final answer
    x = 8,127.73

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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.