Home / 20,053.14-30,086.28-8,216.88

Finding the Fourth Proportional to 20,053.14, 30,086.28 and 8,216.88

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Solution

The fourth proportional to 20,053.14, 30,086.28 and 8,216.88 is: 12,328.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,053.14 : 30,086.28 = 8,216.88 : x
  2. Step 2: Convert to fraction form
    20,053.14/30,086.28 = 8,216.88/x
  3. Step 3: Cross multiply
    20,053.14x = 30,086.28 × 8,216.88
  4. Step 4: Simplify right side
    20,053.14x = 247,215,352.41
  5. Step 5: Solve for x
    x = 247,215,352.41/20,053.14
  6. Step 6: Final answer
    x = 12,328.01

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1.5x scale

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.