Home / 14,116.64-21,179.68-5,354.08

Finding the Fourth Proportional to 14,116.64, 21,179.68 and 5,354.08

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Solution

The fourth proportional to 14,116.64, 21,179.68 and 5,354.08 is: 8,032.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,116.64 : 21,179.68 = 5,354.08 : x
  2. Step 2: Convert to fraction form
    14,116.64/21,179.68 = 5,354.08/x
  3. Step 3: Cross multiply
    14,116.64x = 21,179.68 × 5,354.08
  4. Step 4: Simplify right side
    14,116.64x = 113,397,701.09
  5. Step 5: Solve for x
    x = 113,397,701.09/14,116.64
  6. Step 6: Final answer
    x = 8,032.91

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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.