Home / 21,351.12-32,027.64-6,558.96

Finding the Fourth Proportional to 21,351.12, 32,027.64 and 6,558.96

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Solution

The fourth proportional to 21,351.12, 32,027.64 and 6,558.96 is: 9,838.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,351.12 : 32,027.64 = 6,558.96 : x
  2. Step 2: Convert to fraction form
    21,351.12/32,027.64 = 6,558.96/x
  3. Step 3: Cross multiply
    21,351.12x = 32,027.64 × 6,558.96
  4. Step 4: Simplify right side
    21,351.12x = 210,068,009.65
  5. Step 5: Solve for x
    x = 210,068,009.65/21,351.12
  6. Step 6: Final answer
    x = 9,838.73

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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.