Home / 21,741.74-32,621.90-9,267.65

Finding the Fourth Proportional to 21,741.74, 32,621.90 and 9,267.65

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Solution

The fourth proportional to 21,741.74, 32,621.90 and 9,267.65 is: 13,905.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,741.74 : 32,621.90 = 9,267.65 : x
  2. Step 2: Convert to fraction form
    21,741.74/32,621.90 = 9,267.65/x
  3. Step 3: Cross multiply
    21,741.74x = 32,621.90 × 9,267.65
  4. Step 4: Simplify right side
    21,741.74x = 302,328,142.09
  5. Step 5: Solve for x
    x = 302,328,142.09/21,741.74
  6. Step 6: Final answer
    x = 13,905.43

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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.