Home / 13,167.72-19,761.30-10,601.64

Finding the Fourth Proportional to 13,167.72, 19,761.30 and 10,601.64

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Solution

The fourth proportional to 13,167.72, 19,761.30 and 10,601.64 is: 15,910.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,167.72 : 19,761.30 = 10,601.64 : x
  2. Step 2: Convert to fraction form
    13,167.72/19,761.30 = 10,601.64/x
  3. Step 3: Cross multiply
    13,167.72x = 19,761.30 × 10,601.64
  4. Step 4: Simplify right side
    13,167.72x = 209,502,188.53
  5. Step 5: Solve for x
    x = 209,502,188.53/13,167.72
  6. Step 6: Final answer
    x = 15,910.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.