Home / 20,118.66-30,166.22-6,074.46

Finding the Fourth Proportional to 20,118.66, 30,166.22 and 6,074.46

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Solution

The fourth proportional to 20,118.66, 30,166.22 and 6,074.46 is: 9,108.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,118.66 : 30,166.22 = 6,074.46 : x
  2. Step 2: Convert to fraction form
    20,118.66/30,166.22 = 6,074.46/x
  3. Step 3: Cross multiply
    20,118.66x = 30,166.22 × 6,074.46
  4. Step 4: Simplify right side
    20,118.66x = 183,243,496.74
  5. Step 5: Solve for x
    x = 183,243,496.74/20,118.66
  6. Step 6: Final answer
    x = 9,108.14

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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.