Home / 17,480.43-26,112.60-15,722.64

Finding the Fourth Proportional to 17,480.43, 26,112.60 and 15,722.64

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Solution

The fourth proportional to 17,480.43, 26,112.60 and 15,722.64 is: 23,486.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,480.43 : 26,112.60 = 15,722.64 : x
  2. Step 2: Convert to fraction form
    17,480.43/26,112.60 = 15,722.64/x
  3. Step 3: Cross multiply
    17,480.43x = 26,112.60 × 15,722.64
  4. Step 4: Simplify right side
    17,480.43x = 410,559,009.26
  5. Step 5: Solve for x
    x = 410,559,009.26/17,480.43
  6. Step 6: Final answer
    x = 23,486.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.