Home / 13,575.24-18,735.03-7,606.85

Finding the Fourth Proportional to 13,575.24, 18,735.03 and 7,606.85

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Solution

The fourth proportional to 13,575.24, 18,735.03 and 7,606.85 is: 10,498.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,575.24 : 18,735.03 = 7,606.85 : x
  2. Step 2: Convert to fraction form
    13,575.24/18,735.03 = 7,606.85/x
  3. Step 3: Cross multiply
    13,575.24x = 18,735.03 × 7,606.85
  4. Step 4: Simplify right side
    13,575.24x = 142,514,469.28
  5. Step 5: Solve for x
    x = 142,514,469.28/13,575.24
  6. Step 6: Final answer
    x = 10,498.12

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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.