Home / 21,675.08-32,531.07-8,536.68

Finding the Fourth Proportional to 21,675.08, 32,531.07 and 8,536.68

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Solution

The fourth proportional to 21,675.08, 32,531.07 and 8,536.68 is: 12,812.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,675.08 : 32,531.07 = 8,536.68 : x
  2. Step 2: Convert to fraction form
    21,675.08/32,531.07 = 8,536.68/x
  3. Step 3: Cross multiply
    21,675.08x = 32,531.07 × 8,536.68
  4. Step 4: Simplify right side
    21,675.08x = 277,707,334.65
  5. Step 5: Solve for x
    x = 277,707,334.65/21,675.08
  6. Step 6: Final answer
    x = 12,812.29

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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.