Home / 21,843.12-32,741.32-11,302.52

Finding the Fourth Proportional to 21,843.12, 32,741.32 and 11,302.52

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Solution

The fourth proportional to 21,843.12, 32,741.32 and 11,302.52 is: 16,941.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,843.12 : 32,741.32 = 11,302.52 : x
  2. Step 2: Convert to fraction form
    21,843.12/32,741.32 = 11,302.52/x
  3. Step 3: Cross multiply
    21,843.12x = 32,741.32 × 11,302.52
  4. Step 4: Simplify right side
    21,843.12x = 370,059,424.13
  5. Step 5: Solve for x
    x = 370,059,424.13/21,843.12
  6. Step 6: Final answer
    x = 16,941.69

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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.