Home / 21,336.62-32,013.23-8,853.48

Finding the Fourth Proportional to 21,336.62, 32,013.23 and 8,853.48

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Solution

The fourth proportional to 21,336.62, 32,013.23 and 8,853.48 is: 13,283.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,336.62 : 32,013.23 = 8,853.48 : x
  2. Step 2: Convert to fraction form
    21,336.62/32,013.23 = 8,853.48/x
  3. Step 3: Cross multiply
    21,336.62x = 32,013.23 × 8,853.48
  4. Step 4: Simplify right side
    21,336.62x = 283,428,447.27
  5. Step 5: Solve for x
    x = 283,428,447.27/21,336.62
  6. Step 6: Final answer
    x = 13,283.67

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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.