Home / 19,137.72-26,408.70-10,755.48

Finding the Fourth Proportional to 19,137.72, 26,408.70 and 10,755.48

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Solution

The fourth proportional to 19,137.72, 26,408.70 and 10,755.48 is: 14,841.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,137.72 : 26,408.70 = 10,755.48 : x
  2. Step 2: Convert to fraction form
    19,137.72/26,408.70 = 10,755.48/x
  3. Step 3: Cross multiply
    19,137.72x = 26,408.70 × 10,755.48
  4. Step 4: Simplify right side
    19,137.72x = 284,038,244.68
  5. Step 5: Solve for x
    x = 284,038,244.68/19,137.72
  6. Step 6: Final answer
    x = 14,841.80

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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.