Home / 21,643.30-32,464.61-17,937.70

Finding the Fourth Proportional to 21,643.30, 32,464.61 and 17,937.70

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Solution

The fourth proportional to 21,643.30, 32,464.61 and 17,937.70 is: 26,906.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,643.30 : 32,464.61 = 17,937.70 : x
  2. Step 2: Convert to fraction form
    21,643.30/32,464.61 = 17,937.70/x
  3. Step 3: Cross multiply
    21,643.30x = 32,464.61 × 17,937.70
  4. Step 4: Simplify right side
    21,643.30x = 582,340,614.73
  5. Step 5: Solve for x
    x = 582,340,614.73/21,643.30
  6. Step 6: Final answer
    x = 26,906.27

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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.