Home / 17,712.30-26,568.45-11,837.10

Finding the Fourth Proportional to 17,712.30, 26,568.45 and 11,837.10

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Solution

The fourth proportional to 17,712.30, 26,568.45 and 11,837.10 is: 17,755.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,712.30 : 26,568.45 = 11,837.10 : x
  2. Step 2: Convert to fraction form
    17,712.30/26,568.45 = 11,837.10/x
  3. Step 3: Cross multiply
    17,712.30x = 26,568.45 × 11,837.10
  4. Step 4: Simplify right side
    17,712.30x = 314,493,399.50
  5. Step 5: Solve for x
    x = 314,493,399.50/17,712.30
  6. Step 6: Final answer
    x = 17,755.65

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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.