Home / 26,356.06-36,371.87-15,745.69

Finding the Fourth Proportional to 26,356.06, 36,371.87 and 15,745.69

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Solution

The fourth proportional to 26,356.06, 36,371.87 and 15,745.69 is: 21,729.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,356.06 : 36,371.87 = 15,745.69 : x
  2. Step 2: Convert to fraction form
    26,356.06/36,371.87 = 15,745.69/x
  3. Step 3: Cross multiply
    26,356.06x = 36,371.87 × 15,745.69
  4. Step 4: Simplify right side
    26,356.06x = 572,700,189.74
  5. Step 5: Solve for x
    x = 572,700,189.74/26,356.06
  6. Step 6: Final answer
    x = 21,729.36

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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.