Home / 22,276.91-33,416.37-12,408.75

Finding the Fourth Proportional to 22,276.91, 33,416.37 and 12,408.75

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Solution

The fourth proportional to 22,276.91, 33,416.37 and 12,408.75 is: 18,613.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,276.91 : 33,416.37 = 12,408.75 : x
  2. Step 2: Convert to fraction form
    22,276.91/33,416.37 = 12,408.75/x
  3. Step 3: Cross multiply
    22,276.91x = 33,416.37 × 12,408.75
  4. Step 4: Simplify right side
    22,276.91x = 414,655,381.24
  5. Step 5: Solve for x
    x = 414,655,381.24/22,276.91
  6. Step 6: Final answer
    x = 18,613.69

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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.