Home / 14,116.92-21,175.32-4,256.94

Finding the Fourth Proportional to 14,116.92, 21,175.32 and 4,256.94

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Solution

The fourth proportional to 14,116.92, 21,175.32 and 4,256.94 is: 6,385.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,116.92 : 21,175.32 = 4,256.94 : x
  2. Step 2: Convert to fraction form
    14,116.92/21,175.32 = 4,256.94/x
  3. Step 3: Cross multiply
    14,116.92x = 21,175.32 × 4,256.94
  4. Step 4: Simplify right side
    14,116.92x = 90,142,066.72
  5. Step 5: Solve for x
    x = 90,142,066.72/14,116.92
  6. Step 6: Final answer
    x = 6,385.39

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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.