Home / 15,056.27-20,775.93-8,340.22

Finding the Fourth Proportional to 15,056.27, 20,775.93 and 8,340.22

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Solution

The fourth proportional to 15,056.27, 20,775.93 and 8,340.22 is: 11,508.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,056.27 : 20,775.93 = 8,340.22 : x
  2. Step 2: Convert to fraction form
    15,056.27/20,775.93 = 8,340.22/x
  3. Step 3: Cross multiply
    15,056.27x = 20,775.93 × 8,340.22
  4. Step 4: Simplify right side
    15,056.27x = 173,275,723.02
  5. Step 5: Solve for x
    x = 173,275,723.02/15,056.27
  6. Step 6: Final answer
    x = 11,508.55

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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.