Home / 21,878.22-32,823-6,297.06

Finding the Fourth Proportional to 21,878.22, 32,823 and 6,297.06

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Solution

The fourth proportional to 21,878.22, 32,823 and 6,297.06 is: 9,447.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,878.22 : 32,823 = 6,297.06 : x
  2. Step 2: Convert to fraction form
    21,878.22/32,823 = 6,297.06/x
  3. Step 3: Cross multiply
    21,878.22x = 32,823 × 6,297.06
  4. Step 4: Simplify right side
    21,878.22x = 206,688,400.38
  5. Step 5: Solve for x
    x = 206,688,400.38/21,878.22
  6. Step 6: Final answer
    x = 9,447.22

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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.