Home / 22,408.13-30,925.28-12,338.61

Finding the Fourth Proportional to 22,408.13, 30,925.28 and 12,338.61

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Solution

The fourth proportional to 22,408.13, 30,925.28 and 12,338.61 is: 17,028.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,408.13 : 30,925.28 = 12,338.61 : x
  2. Step 2: Convert to fraction form
    22,408.13/30,925.28 = 12,338.61/x
  3. Step 3: Cross multiply
    22,408.13x = 30,925.28 × 12,338.61
  4. Step 4: Simplify right side
    22,408.13x = 381,574,907.37
  5. Step 5: Solve for x
    x = 381,574,907.37/22,408.13
  6. Step 6: Final answer
    x = 17,028.42

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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.