Home / 21,581.95-32,372.93-6,792.37

Finding the Fourth Proportional to 21,581.95, 32,372.93 and 6,792.37

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Solution

The fourth proportional to 21,581.95, 32,372.93 and 6,792.37 is: 10,188.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,581.95 : 32,372.93 = 6,792.37 : x
  2. Step 2: Convert to fraction form
    21,581.95/32,372.93 = 6,792.37/x
  3. Step 3: Cross multiply
    21,581.95x = 32,372.93 × 6,792.37
  4. Step 4: Simplify right side
    21,581.95x = 219,888,918.54
  5. Step 5: Solve for x
    x = 219,888,918.54/21,581.95
  6. Step 6: Final answer
    x = 10,188.56

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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.