Home / 14,293.52-21,439.20-3,906.08

Finding the Fourth Proportional to 14,293.52, 21,439.20 and 3,906.08

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Solution

The fourth proportional to 14,293.52, 21,439.20 and 3,906.08 is: 5,858.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,293.52 : 21,439.20 = 3,906.08 : x
  2. Step 2: Convert to fraction form
    14,293.52/21,439.20 = 3,906.08/x
  3. Step 3: Cross multiply
    14,293.52x = 21,439.20 × 3,906.08
  4. Step 4: Simplify right side
    14,293.52x = 83,743,230.34
  5. Step 5: Solve for x
    x = 83,743,230.34/14,293.52
  6. Step 6: Final answer
    x = 5,858.82

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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.