Home / 21,575.01-32,370.30-7,537.11

Finding the Fourth Proportional to 21,575.01, 32,370.30 and 7,537.11

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Solution

The fourth proportional to 21,575.01, 32,370.30 and 7,537.11 is: 11,308.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,575.01 : 32,370.30 = 7,537.11 : x
  2. Step 2: Convert to fraction form
    21,575.01/32,370.30 = 7,537.11/x
  3. Step 3: Cross multiply
    21,575.01x = 32,370.30 × 7,537.11
  4. Step 4: Simplify right side
    21,575.01x = 243,978,511.83
  5. Step 5: Solve for x
    x = 243,978,511.83/21,575.01
  6. Step 6: Final answer
    x = 11,308.38

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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.