Home / 21,378.06-32,213.03-17,567.82

Finding the Fourth Proportional to 21,378.06, 32,213.03 and 17,567.82

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Solution

The fourth proportional to 21,378.06, 32,213.03 and 17,567.82 is: 26,471.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,378.06 : 32,213.03 = 17,567.82 : x
  2. Step 2: Convert to fraction form
    21,378.06/32,213.03 = 17,567.82/x
  3. Step 3: Cross multiply
    21,378.06x = 32,213.03 × 17,567.82
  4. Step 4: Simplify right side
    21,378.06x = 565,912,624.86
  5. Step 5: Solve for x
    x = 565,912,624.86/21,378.06
  6. Step 6: Final answer
    x = 26,471.65

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.