Home / 13,575.26-18,733.78-7,606.78

Finding the Fourth Proportional to 13,575.26, 18,733.78 and 7,606.78

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Solution

The fourth proportional to 13,575.26, 18,733.78 and 7,606.78 is: 10,497.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,575.26 : 18,733.78 = 7,606.78 : x
  2. Step 2: Convert to fraction form
    13,575.26/18,733.78 = 7,606.78/x
  3. Step 3: Cross multiply
    13,575.26x = 18,733.78 × 7,606.78
  4. Step 4: Simplify right side
    13,575.26x = 142,503,743.03
  5. Step 5: Solve for x
    x = 142,503,743.03/13,575.26
  6. Step 6: Final answer
    x = 10,497.31

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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.