Home / 13,224.99-18,249.35-7,256.64

Finding the Fourth Proportional to 13,224.99, 18,249.35 and 7,256.64

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Solution

The fourth proportional to 13,224.99, 18,249.35 and 7,256.64 is: 10,013.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,224.99 : 18,249.35 = 7,256.64 : x
  2. Step 2: Convert to fraction form
    13,224.99/18,249.35 = 7,256.64/x
  3. Step 3: Cross multiply
    13,224.99x = 18,249.35 × 7,256.64
  4. Step 4: Simplify right side
    13,224.99x = 132,428,926.90
  5. Step 5: Solve for x
    x = 132,428,926.90/13,224.99
  6. Step 6: Final answer
    x = 10,013.54

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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.