Home / 21,575.93-32,320.78-17,141.09

Finding the Fourth Proportional to 21,575.93, 32,320.78 and 17,141.09

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Solution

The fourth proportional to 21,575.93, 32,320.78 and 17,141.09 is: 25,677.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,575.93 : 32,320.78 = 17,141.09 : x
  2. Step 2: Convert to fraction form
    21,575.93/32,320.78 = 17,141.09/x
  3. Step 3: Cross multiply
    21,575.93x = 32,320.78 × 17,141.09
  4. Step 4: Simplify right side
    21,575.93x = 554,013,194.39
  5. Step 5: Solve for x
    x = 554,013,194.39/21,575.93
  6. Step 6: Final answer
    x = 25,677.38

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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.