Home / 15,010.26-20,713.95-8,296.62

Finding the Fourth Proportional to 15,010.26, 20,713.95 and 8,296.62

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Solution

The fourth proportional to 15,010.26, 20,713.95 and 8,296.62 is: 11,449.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,010.26 : 20,713.95 = 8,296.62 : x
  2. Step 2: Convert to fraction form
    15,010.26/20,713.95 = 8,296.62/x
  3. Step 3: Cross multiply
    15,010.26x = 20,713.95 × 8,296.62
  4. Step 4: Simplify right side
    15,010.26x = 171,855,771.85
  5. Step 5: Solve for x
    x = 171,855,771.85/15,010.26
  6. Step 6: Final answer
    x = 11,449.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.