Home / 13,508.82-20,266.17-4,148.91

Finding the Fourth Proportional to 13,508.82, 20,266.17 and 4,148.91

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Solution

The fourth proportional to 13,508.82, 20,266.17 and 4,148.91 is: 6,224.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,508.82 : 20,266.17 = 4,148.91 : x
  2. Step 2: Convert to fraction form
    13,508.82/20,266.17 = 4,148.91/x
  3. Step 3: Cross multiply
    13,508.82x = 20,266.17 × 4,148.91
  4. Step 4: Simplify right side
    13,508.82x = 84,082,515.37
  5. Step 5: Solve for x
    x = 84,082,515.37/13,508.82
  6. Step 6: Final answer
    x = 6,224.27

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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.