Home / 17,487.62-26,234.32-8,722.82

Finding the Fourth Proportional to 17,487.62, 26,234.32 and 8,722.82

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Solution

The fourth proportional to 17,487.62, 26,234.32 and 8,722.82 is: 13,085.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,487.62 : 26,234.32 = 8,722.82 : x
  2. Step 2: Convert to fraction form
    17,487.62/26,234.32 = 8,722.82/x
  3. Step 3: Cross multiply
    17,487.62x = 26,234.32 × 8,722.82
  4. Step 4: Simplify right side
    17,487.62x = 228,837,251.18
  5. Step 5: Solve for x
    x = 228,837,251.18/17,487.62
  6. Step 6: Final answer
    x = 13,085.67

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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.