Home / 14,099.56-21,147.66-3,712.12

Finding the Fourth Proportional to 14,099.56, 21,147.66 and 3,712.12

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Solution

The fourth proportional to 14,099.56, 21,147.66 and 3,712.12 is: 5,567.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,099.56 : 21,147.66 = 3,712.12 : x
  2. Step 2: Convert to fraction form
    14,099.56/21,147.66 = 3,712.12/x
  3. Step 3: Cross multiply
    14,099.56x = 21,147.66 × 3,712.12
  4. Step 4: Simplify right side
    14,099.56x = 78,502,651.64
  5. Step 5: Solve for x
    x = 78,502,651.64/14,099.56
  6. Step 6: Final answer
    x = 5,567.74

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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.