Home / 22,610.37-31,202.40-12,539.75

Finding the Fourth Proportional to 22,610.37, 31,202.40 and 12,539.75

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Solution

The fourth proportional to 22,610.37, 31,202.40 and 12,539.75 is: 17,304.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,610.37 : 31,202.40 = 12,539.75 : x
  2. Step 2: Convert to fraction form
    22,610.37/31,202.40 = 12,539.75/x
  3. Step 3: Cross multiply
    22,610.37x = 31,202.40 × 12,539.75
  4. Step 4: Simplify right side
    22,610.37x = 391,270,139.39
  5. Step 5: Solve for x
    x = 391,270,139.39/22,610.37
  6. Step 6: Final answer
    x = 17,304.90

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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.