Home / 21,727.62-32,588.10-18,053.46

Finding the Fourth Proportional to 21,727.62, 32,588.10 and 18,053.46

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Solution

The fourth proportional to 21,727.62, 32,588.10 and 18,053.46 is: 27,077.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,727.62 : 32,588.10 = 18,053.46 : x
  2. Step 2: Convert to fraction form
    21,727.62/32,588.10 = 18,053.46/x
  3. Step 3: Cross multiply
    21,727.62x = 32,588.10 × 18,053.46
  4. Step 4: Simplify right side
    21,727.62x = 588,327,959.83
  5. Step 5: Solve for x
    x = 588,327,959.83/21,727.62
  6. Step 6: Final answer
    x = 27,077.42

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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.