Home / 21,709.12-32,563.33-6,917.84

Finding the Fourth Proportional to 21,709.12, 32,563.33 and 6,917.84

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Solution

The fourth proportional to 21,709.12, 32,563.33 and 6,917.84 is: 10,376.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,709.12 : 32,563.33 = 6,917.84 : x
  2. Step 2: Convert to fraction form
    21,709.12/32,563.33 = 6,917.84/x
  3. Step 3: Cross multiply
    21,709.12x = 32,563.33 × 6,917.84
  4. Step 4: Simplify right side
    21,709.12x = 225,267,906.81
  5. Step 5: Solve for x
    x = 225,267,906.81/21,709.12
  6. Step 6: Final answer
    x = 10,376.65

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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.