Home / 16,408.36-22,674.19-13,423.11

Finding the Fourth Proportional to 16,408.36, 22,674.19 and 13,423.11

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Solution

The fourth proportional to 16,408.36, 22,674.19 and 13,423.11 is: 18,548.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,408.36 : 22,674.19 = 13,423.11 : x
  2. Step 2: Convert to fraction form
    16,408.36/22,674.19 = 13,423.11/x
  3. Step 3: Cross multiply
    16,408.36x = 22,674.19 × 13,423.11
  4. Step 4: Simplify right side
    16,408.36x = 304,358,146.53
  5. Step 5: Solve for x
    x = 304,358,146.53/16,408.36
  6. Step 6: Final answer
    x = 18,548.97

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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.