Home / 17,603.72-26,273.34-15,221.31

Finding the Fourth Proportional to 17,603.72, 26,273.34 and 15,221.31

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Solution

The fourth proportional to 17,603.72, 26,273.34 and 15,221.31 is: 22,717.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,603.72 : 26,273.34 = 15,221.31 : x
  2. Step 2: Convert to fraction form
    17,603.72/26,273.34 = 15,221.31/x
  3. Step 3: Cross multiply
    17,603.72x = 26,273.34 × 15,221.31
  4. Step 4: Simplify right side
    17,603.72x = 399,914,652.88
  5. Step 5: Solve for x
    x = 399,914,652.88/17,603.72
  6. Step 6: Final answer
    x = 22,717.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.