Home / 14,742.16-20,344.32-8,027.92

Finding the Fourth Proportional to 14,742.16, 20,344.32 and 8,027.92

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Solution

The fourth proportional to 14,742.16, 20,344.32 and 8,027.92 is: 11,078.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,742.16 : 20,344.32 = 8,027.92 : x
  2. Step 2: Convert to fraction form
    14,742.16/20,344.32 = 8,027.92/x
  3. Step 3: Cross multiply
    14,742.16x = 20,344.32 × 8,027.92
  4. Step 4: Simplify right side
    14,742.16x = 163,322,573.41
  5. Step 5: Solve for x
    x = 163,322,573.41/14,742.16
  6. Step 6: Final answer
    x = 11,078.61

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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.