Home / 26,745.47-36,897.15-16,129.20

Finding the Fourth Proportional to 26,745.47, 36,897.15 and 16,129.20

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Solution

The fourth proportional to 26,745.47, 36,897.15 and 16,129.20 is: 22,251.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,745.47 : 36,897.15 = 16,129.20 : x
  2. Step 2: Convert to fraction form
    26,745.47/36,897.15 = 16,129.20/x
  3. Step 3: Cross multiply
    26,745.47x = 36,897.15 × 16,129.20
  4. Step 4: Simplify right side
    26,745.47x = 595,121,511.78
  5. Step 5: Solve for x
    x = 595,121,511.78/26,745.47
  6. Step 6: Final answer
    x = 22,251.31

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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.