Home / 15,408.15-23,112.21-3,721.37

Finding the Fourth Proportional to 15,408.15, 23,112.21 and 3,721.37

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Solution

The fourth proportional to 15,408.15, 23,112.21 and 3,721.37 is: 5,582.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,408.15 : 23,112.21 = 3,721.37 : x
  2. Step 2: Convert to fraction form
    15,408.15/23,112.21 = 3,721.37/x
  3. Step 3: Cross multiply
    15,408.15x = 23,112.21 × 3,721.37
  4. Step 4: Simplify right side
    15,408.15x = 86,008,983.32
  5. Step 5: Solve for x
    x = 86,008,983.32/15,408.15
  6. Step 6: Final answer
    x = 5,582.05

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1.5x scale

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.