Home / 18,572.19-25,608.40-13,196.27

Finding the Fourth Proportional to 18,572.19, 25,608.40 and 13,196.27

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Solution

The fourth proportional to 18,572.19, 25,608.40 and 13,196.27 is: 18,195.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,572.19 : 25,608.40 = 13,196.27 : x
  2. Step 2: Convert to fraction form
    18,572.19/25,608.40 = 13,196.27/x
  3. Step 3: Cross multiply
    18,572.19x = 25,608.40 × 13,196.27
  4. Step 4: Simplify right side
    18,572.19x = 337,935,321.88
  5. Step 5: Solve for x
    x = 337,935,321.88/18,572.19
  6. Step 6: Final answer
    x = 18,195.77

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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.