Home / 17,580.17-26,388.48-11,777.33

Finding the Fourth Proportional to 17,580.17, 26,388.48 and 11,777.33

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Solution

The fourth proportional to 17,580.17, 26,388.48 and 11,777.33 is: 17,678.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,580.17 : 26,388.48 = 11,777.33 : x
  2. Step 2: Convert to fraction form
    17,580.17/26,388.48 = 11,777.33/x
  3. Step 3: Cross multiply
    17,580.17x = 26,388.48 × 11,777.33
  4. Step 4: Simplify right side
    17,580.17x = 310,785,837.16
  5. Step 5: Solve for x
    x = 310,785,837.16/17,580.17
  6. Step 6: Final answer
    x = 17,678.20

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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.