Home / 17,418.84-26,138.64-6,326.40

Finding the Fourth Proportional to 17,418.84, 26,138.64 and 6,326.40

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Solution

The fourth proportional to 17,418.84, 26,138.64 and 6,326.40 is: 9,493.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,418.84 : 26,138.64 = 6,326.40 : x
  2. Step 2: Convert to fraction form
    17,418.84/26,138.64 = 6,326.40/x
  3. Step 3: Cross multiply
    17,418.84x = 26,138.64 × 6,326.40
  4. Step 4: Simplify right side
    17,418.84x = 165,363,492.10
  5. Step 5: Solve for x
    x = 165,363,492.10/17,418.84
  6. Step 6: Final answer
    x = 9,493.37

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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.