Home / 13,224.33-18,249.43-7,255.99

Finding the Fourth Proportional to 13,224.33, 18,249.43 and 7,255.99

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Solution

The fourth proportional to 13,224.33, 18,249.43 and 7,255.99 is: 10,013.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,224.33 : 18,249.43 = 7,255.99 : x
  2. Step 2: Convert to fraction form
    13,224.33/18,249.43 = 7,255.99/x
  3. Step 3: Cross multiply
    13,224.33x = 18,249.43 × 7,255.99
  4. Step 4: Simplify right side
    13,224.33x = 132,417,705.12
  5. Step 5: Solve for x
    x = 132,417,705.12/13,224.33
  6. Step 6: Final answer
    x = 10,013.19

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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.