Home / 17,631.91-26,451.29-5,151.99

Finding the Fourth Proportional to 17,631.91, 26,451.29 and 5,151.99

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Solution

The fourth proportional to 17,631.91, 26,451.29 and 5,151.99 is: 7,728.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,631.91 : 26,451.29 = 5,151.99 : x
  2. Step 2: Convert to fraction form
    17,631.91/26,451.29 = 5,151.99/x
  3. Step 3: Cross multiply
    17,631.91x = 26,451.29 × 5,151.99
  4. Step 4: Simplify right side
    17,631.91x = 136,276,893.64
  5. Step 5: Solve for x
    x = 136,276,893.64/17,631.91
  6. Step 6: Final answer
    x = 7,728.99

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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.