Home / 21,634.27-32,449.87-5,840.20

Finding the Fourth Proportional to 21,634.27, 32,449.87 and 5,840.20

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Solution

The fourth proportional to 21,634.27, 32,449.87 and 5,840.20 is: 8,759.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,634.27 : 32,449.87 = 5,840.20 : x
  2. Step 2: Convert to fraction form
    21,634.27/32,449.87 = 5,840.20/x
  3. Step 3: Cross multiply
    21,634.27x = 32,449.87 × 5,840.20
  4. Step 4: Simplify right side
    21,634.27x = 189,513,730.77
  5. Step 5: Solve for x
    x = 189,513,730.77/21,634.27
  6. Step 6: Final answer
    x = 8,759.89

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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.