Home / 26,749.31-36,915.30-16,138.71

Finding the Fourth Proportional to 26,749.31, 36,915.30 and 16,138.71

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Solution

The fourth proportional to 26,749.31, 36,915.30 and 16,138.71 is: 22,272.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,749.31 : 36,915.30 = 16,138.71 : x
  2. Step 2: Convert to fraction form
    26,749.31/36,915.30 = 16,138.71/x
  3. Step 3: Cross multiply
    26,749.31x = 36,915.30 × 16,138.71
  4. Step 4: Simplify right side
    26,749.31x = 595,765,321.26
  5. Step 5: Solve for x
    x = 595,765,321.26/26,749.31
  6. Step 6: Final answer
    x = 22,272.18

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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.