Home / 17,387.85-26,059.91-12,467.10

Finding the Fourth Proportional to 17,387.85, 26,059.91 and 12,467.10

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Solution

The fourth proportional to 17,387.85, 26,059.91 and 12,467.10 is: 18,684.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,387.85 : 26,059.91 = 12,467.10 : x
  2. Step 2: Convert to fraction form
    17,387.85/26,059.91 = 12,467.10/x
  3. Step 3: Cross multiply
    17,387.85x = 26,059.91 × 12,467.10
  4. Step 4: Simplify right side
    17,387.85x = 324,891,503.96
  5. Step 5: Solve for x
    x = 324,891,503.96/17,387.85
  6. Step 6: Final answer
    x = 18,684.97

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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.