Home / 19,377.37-26,748.89-16,408.57

Finding the Fourth Proportional to 19,377.37, 26,748.89 and 16,408.57

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Solution

The fourth proportional to 19,377.37, 26,748.89 and 16,408.57 is: 22,650.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,377.37 : 26,748.89 = 16,408.57 : x
  2. Step 2: Convert to fraction form
    19,377.37/26,748.89 = 16,408.57/x
  3. Step 3: Cross multiply
    19,377.37x = 26,748.89 × 16,408.57
  4. Step 4: Simplify right side
    19,377.37x = 438,910,951.94
  5. Step 5: Solve for x
    x = 438,910,951.94/19,377.37
  6. Step 6: Final answer
    x = 22,650.70

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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.