Home / 22,132.09-30,539.59-12,568.56

Finding the Fourth Proportional to 22,132.09, 30,539.59 and 12,568.56

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Solution

The fourth proportional to 22,132.09, 30,539.59 and 12,568.56 is: 17,343.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,132.09 : 30,539.59 = 12,568.56 : x
  2. Step 2: Convert to fraction form
    22,132.09/30,539.59 = 12,568.56/x
  3. Step 3: Cross multiply
    22,132.09x = 30,539.59 × 12,568.56
  4. Step 4: Simplify right side
    22,132.09x = 383,838,669.29
  5. Step 5: Solve for x
    x = 383,838,669.29/22,132.09
  6. Step 6: Final answer
    x = 17,343.08

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.