Home / 21,818.26-32,732.25-11,952.46

Finding the Fourth Proportional to 21,818.26, 32,732.25 and 11,952.46

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Solution

The fourth proportional to 21,818.26, 32,732.25 and 11,952.46 is: 17,931.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,818.26 : 32,732.25 = 11,952.46 : x
  2. Step 2: Convert to fraction form
    21,818.26/32,732.25 = 11,952.46/x
  3. Step 3: Cross multiply
    21,818.26x = 32,732.25 × 11,952.46
  4. Step 4: Simplify right side
    21,818.26x = 391,230,908.84
  5. Step 5: Solve for x
    x = 391,230,908.84/21,818.26
  6. Step 6: Final answer
    x = 17,931.35

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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.