Home / 14,176.32-21,257.18-6,380.88

Finding the Fourth Proportional to 14,176.32, 21,257.18 and 6,380.88

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Solution

The fourth proportional to 14,176.32, 21,257.18 and 6,380.88 is: 9,568.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,176.32 : 21,257.18 = 6,380.88 : x
  2. Step 2: Convert to fraction form
    14,176.32/21,257.18 = 6,380.88/x
  3. Step 3: Cross multiply
    14,176.32x = 21,257.18 × 6,380.88
  4. Step 4: Simplify right side
    14,176.32x = 135,639,514.72
  5. Step 5: Solve for x
    x = 135,639,514.72/14,176.32
  6. Step 6: Final answer
    x = 9,568.03

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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.