Home / 14,116.91-21,175.46-4,256.15

Finding the Fourth Proportional to 14,116.91, 21,175.46 and 4,256.15

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Solution

The fourth proportional to 14,116.91, 21,175.46 and 4,256.15 is: 6,384.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,116.91 : 21,175.46 = 4,256.15 : x
  2. Step 2: Convert to fraction form
    14,116.91/21,175.46 = 4,256.15/x
  3. Step 3: Cross multiply
    14,116.91x = 21,175.46 × 4,256.15
  4. Step 4: Simplify right side
    14,116.91x = 90,125,912.80
  5. Step 5: Solve for x
    x = 90,125,912.80/14,116.91
  6. Step 6: Final answer
    x = 6,384.25

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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.