Home / 21,666.96-32,542.56-17,723.88

Finding the Fourth Proportional to 21,666.96, 32,542.56 and 17,723.88

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Solution

The fourth proportional to 21,666.96, 32,542.56 and 17,723.88 is: 26,620.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,666.96 : 32,542.56 = 17,723.88 : x
  2. Step 2: Convert to fraction form
    21,666.96/32,542.56 = 17,723.88/x
  3. Step 3: Cross multiply
    21,666.96x = 32,542.56 × 17,723.88
  4. Step 4: Simplify right side
    21,666.96x = 576,780,428.33
  5. Step 5: Solve for x
    x = 576,780,428.33/21,666.96
  6. Step 6: Final answer
    x = 26,620.27

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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.