Home / 15,096.58-20,833.40-8,382.83

Finding the Fourth Proportional to 15,096.58, 20,833.40 and 8,382.83

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Solution

The fourth proportional to 15,096.58, 20,833.40 and 8,382.83 is: 11,568.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,096.58 : 20,833.40 = 8,382.83 : x
  2. Step 2: Convert to fraction form
    15,096.58/20,833.40 = 8,382.83/x
  3. Step 3: Cross multiply
    15,096.58x = 20,833.40 × 8,382.83
  4. Step 4: Simplify right side
    15,096.58x = 174,642,767.31
  5. Step 5: Solve for x
    x = 174,642,767.31/15,096.58
  6. Step 6: Final answer
    x = 11,568.37

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1.5x scale

Why These Related Problems?

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