Home / 14,451.32-21,680.76-6,131.72

Finding the Fourth Proportional to 14,451.32, 21,680.76 and 6,131.72

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Solution

The fourth proportional to 14,451.32, 21,680.76 and 6,131.72 is: 9,199.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,451.32 : 21,680.76 = 6,131.72 : x
  2. Step 2: Convert to fraction form
    14,451.32/21,680.76 = 6,131.72/x
  3. Step 3: Cross multiply
    14,451.32x = 21,680.76 × 6,131.72
  4. Step 4: Simplify right side
    14,451.32x = 132,940,349.71
  5. Step 5: Solve for x
    x = 132,940,349.71/14,451.32
  6. Step 6: Final answer
    x = 9,199.18

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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.