Home / 18,408.38-27,737.87-16,394.29

Finding the Fourth Proportional to 18,408.38, 27,737.87 and 16,394.29

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Solution

The fourth proportional to 18,408.38, 27,737.87 and 16,394.29 is: 24,703.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,408.38 : 27,737.87 = 16,394.29 : x
  2. Step 2: Convert to fraction form
    18,408.38/27,737.87 = 16,394.29/x
  3. Step 3: Cross multiply
    18,408.38x = 27,737.87 × 16,394.29
  4. Step 4: Simplify right side
    18,408.38x = 454,742,533.45
  5. Step 5: Solve for x
    x = 454,742,533.45/18,408.38
  6. Step 6: Final answer
    x = 24,703.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.