Home / 20,184.53-30,257.15-9,651.81

Finding the Fourth Proportional to 20,184.53, 30,257.15 and 9,651.81

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Solution

The fourth proportional to 20,184.53, 30,257.15 and 9,651.81 is: 14,468.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,184.53 : 30,257.15 = 9,651.81 : x
  2. Step 2: Convert to fraction form
    20,184.53/30,257.15 = 9,651.81/x
  3. Step 3: Cross multiply
    20,184.53x = 30,257.15 × 9,651.81
  4. Step 4: Simplify right side
    20,184.53x = 292,036,214.68
  5. Step 5: Solve for x
    x = 292,036,214.68/20,184.53
  6. Step 6: Final answer
    x = 14,468.32

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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.