Home / 13,224.16-18,249.19-7,255.82

Finding the Fourth Proportional to 13,224.16, 18,249.19 and 7,255.82

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Solution

The fourth proportional to 13,224.16, 18,249.19 and 7,255.82 is: 10,012.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,224.16 : 18,249.19 = 7,255.82 : x
  2. Step 2: Convert to fraction form
    13,224.16/18,249.19 = 7,255.82/x
  3. Step 3: Cross multiply
    13,224.16x = 18,249.19 × 7,255.82
  4. Step 4: Simplify right side
    13,224.16x = 132,412,837.79
  5. Step 5: Solve for x
    x = 132,412,837.79/13,224.16
  6. Step 6: Final answer
    x = 10,012.95

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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.