Home / 15,250.93-21,046.08-8,536.56

Finding the Fourth Proportional to 15,250.93, 21,046.08 and 8,536.56

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Solution

The fourth proportional to 15,250.93, 21,046.08 and 8,536.56 is: 11,780.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,250.93 : 21,046.08 = 8,536.56 : x
  2. Step 2: Convert to fraction form
    15,250.93/21,046.08 = 8,536.56/x
  3. Step 3: Cross multiply
    15,250.93x = 21,046.08 × 8,536.56
  4. Step 4: Simplify right side
    15,250.93x = 179,661,124.68
  5. Step 5: Solve for x
    x = 179,661,124.68/15,250.93
  6. Step 6: Final answer
    x = 11,780.34

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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.