Home / 22,610.22-31,201.62-12,538.58

Finding the Fourth Proportional to 22,610.22, 31,201.62 and 12,538.58

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Solution

The fourth proportional to 22,610.22, 31,201.62 and 12,538.58 is: 17,302.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,610.22 : 31,201.62 = 12,538.58 : x
  2. Step 2: Convert to fraction form
    22,610.22/31,201.62 = 12,538.58/x
  3. Step 3: Cross multiply
    22,610.22x = 31,201.62 × 12,538.58
  4. Step 4: Simplify right side
    22,610.22x = 391,224,008.50
  5. Step 5: Solve for x
    x = 391,224,008.50/22,610.22
  6. Step 6: Final answer
    x = 17,302.97

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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.