Home / 22,421.10-33,630.43-6,837.50

Finding the Fourth Proportional to 22,421.10, 33,630.43 and 6,837.50

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Solution

The fourth proportional to 22,421.10, 33,630.43 and 6,837.50 is: 10,255.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,421.10 : 33,630.43 = 6,837.50 : x
  2. Step 2: Convert to fraction form
    22,421.10/33,630.43 = 6,837.50/x
  3. Step 3: Cross multiply
    22,421.10x = 33,630.43 × 6,837.50
  4. Step 4: Simplify right side
    22,421.10x = 229,948,065.13
  5. Step 5: Solve for x
    x = 229,948,065.13/22,421.10
  6. Step 6: Final answer
    x = 10,255.88

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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.