Home / 21,979.52-32,973.44-8,832.92

Finding the Fourth Proportional to 21,979.52, 32,973.44 and 8,832.92

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Solution

The fourth proportional to 21,979.52, 32,973.44 and 8,832.92 is: 13,251.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,979.52 : 32,973.44 = 8,832.92 : x
  2. Step 2: Convert to fraction form
    21,979.52/32,973.44 = 8,832.92/x
  3. Step 3: Cross multiply
    21,979.52x = 32,973.44 × 8,832.92
  4. Step 4: Simplify right side
    21,979.52x = 291,251,757.64
  5. Step 5: Solve for x
    x = 291,251,757.64/21,979.52
  6. Step 6: Final answer
    x = 13,251.05

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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.