Home / 14,742.32-20,344.20-8,028.02

Finding the Fourth Proportional to 14,742.32, 20,344.20 and 8,028.02

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Solution

The fourth proportional to 14,742.32, 20,344.20 and 8,028.02 is: 11,078.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,742.32 : 20,344.20 = 8,028.02 : x
  2. Step 2: Convert to fraction form
    14,742.32/20,344.20 = 8,028.02/x
  3. Step 3: Cross multiply
    14,742.32x = 20,344.20 × 8,028.02
  4. Step 4: Simplify right side
    14,742.32x = 163,323,644.48
  5. Step 5: Solve for x
    x = 163,323,644.48/14,742.32
  6. Step 6: Final answer
    x = 11,078.56

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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.