Home / 16,249.60-22,434.90-13,272.58

Finding the Fourth Proportional to 16,249.60, 22,434.90 and 13,272.58

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Solution

The fourth proportional to 16,249.60, 22,434.90 and 13,272.58 is: 18,324.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,249.60 : 22,434.90 = 13,272.58 : x
  2. Step 2: Convert to fraction form
    16,249.60/22,434.90 = 13,272.58/x
  3. Step 3: Cross multiply
    16,249.60x = 22,434.90 × 13,272.58
  4. Step 4: Simplify right side
    16,249.60x = 297,769,005.04
  5. Step 5: Solve for x
    x = 297,769,005.04/16,249.60
  6. Step 6: Final answer
    x = 18,324.70

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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.