Home / 17,451.39-26,167.17-11,911.44

Finding the Fourth Proportional to 17,451.39, 26,167.17 and 11,911.44

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Solution

The fourth proportional to 17,451.39, 26,167.17 and 11,911.44 is: 17,860.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,451.39 : 26,167.17 = 11,911.44 : x
  2. Step 2: Convert to fraction form
    17,451.39/26,167.17 = 11,911.44/x
  3. Step 3: Cross multiply
    17,451.39x = 26,167.17 × 11,911.44
  4. Step 4: Simplify right side
    17,451.39x = 311,688,818.22
  5. Step 5: Solve for x
    x = 311,688,818.22/17,451.39
  6. Step 6: Final answer
    x = 17,860.40

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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.