Home / 21,433.32-32,149.96-9,749.88

Finding the Fourth Proportional to 21,433.32, 32,149.96 and 9,749.88

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Solution

The fourth proportional to 21,433.32, 32,149.96 and 9,749.88 is: 14,624.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,433.32 : 32,149.96 = 9,749.88 : x
  2. Step 2: Convert to fraction form
    21,433.32/32,149.96 = 9,749.88/x
  3. Step 3: Cross multiply
    21,433.32x = 32,149.96 × 9,749.88
  4. Step 4: Simplify right side
    21,433.32x = 313,458,252.00
  5. Step 5: Solve for x
    x = 313,458,252.00/21,433.32
  6. Step 6: Final answer
    x = 14,624.81

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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.