Home / 14,099.34-21,149.03-4,238.62

Finding the Fourth Proportional to 14,099.34, 21,149.03 and 4,238.62

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Solution

The fourth proportional to 14,099.34, 21,149.03 and 4,238.62 is: 6,357.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,099.34 : 21,149.03 = 4,238.62 : x
  2. Step 2: Convert to fraction form
    14,099.34/21,149.03 = 4,238.62/x
  3. Step 3: Cross multiply
    14,099.34x = 21,149.03 × 4,238.62
  4. Step 4: Simplify right side
    14,099.34x = 89,642,701.54
  5. Step 5: Solve for x
    x = 89,642,701.54/14,099.34
  6. Step 6: Final answer
    x = 6,357.94

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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.