Home / 15,224.96-21,010.56-8,937.44

Finding the Fourth Proportional to 15,224.96, 21,010.56 and 8,937.44

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Solution

The fourth proportional to 15,224.96, 21,010.56 and 8,937.44 is: 12,333.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,224.96 : 21,010.56 = 8,937.44 : x
  2. Step 2: Convert to fraction form
    15,224.96/21,010.56 = 8,937.44/x
  3. Step 3: Cross multiply
    15,224.96x = 21,010.56 × 8,937.44
  4. Step 4: Simplify right side
    15,224.96x = 187,780,619.37
  5. Step 5: Solve for x
    x = 187,780,619.37/15,224.96
  6. Step 6: Final answer
    x = 12,333.73

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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.