Home / 17,764.06-26,640.60-5,915.30

Finding the Fourth Proportional to 17,764.06, 26,640.60 and 5,915.30

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Solution

The fourth proportional to 17,764.06, 26,640.60 and 5,915.30 is: 8,871.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,764.06 : 26,640.60 = 5,915.30 : x
  2. Step 2: Convert to fraction form
    17,764.06/26,640.60 = 5,915.30/x
  3. Step 3: Cross multiply
    17,764.06x = 26,640.60 × 5,915.30
  4. Step 4: Simplify right side
    17,764.06x = 157,587,141.18
  5. Step 5: Solve for x
    x = 157,587,141.18/17,764.06
  6. Step 6: Final answer
    x = 8,871.12

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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.