Home / 21,749.96-32,623.92-7,709.77

Finding the Fourth Proportional to 21,749.96, 32,623.92 and 7,709.77

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Solution

The fourth proportional to 21,749.96, 32,623.92 and 7,709.77 is: 11,564.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,749.96 : 32,623.92 = 7,709.77 : x
  2. Step 2: Convert to fraction form
    21,749.96/32,623.92 = 7,709.77/x
  3. Step 3: Cross multiply
    21,749.96x = 32,623.92 × 7,709.77
  4. Step 4: Simplify right side
    21,749.96x = 251,522,756.58
  5. Step 5: Solve for x
    x = 251,522,756.58/21,749.96
  6. Step 6: Final answer
    x = 11,564.29

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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.