Home / 14,072.20-19,436.16-11,249.35

Finding the Fourth Proportional to 14,072.20, 19,436.16 and 11,249.35

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Solution

The fourth proportional to 14,072.20, 19,436.16 and 11,249.35 is: 15,537.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,072.20 : 19,436.16 = 11,249.35 : x
  2. Step 2: Convert to fraction form
    14,072.20/19,436.16 = 11,249.35/x
  3. Step 3: Cross multiply
    14,072.20x = 19,436.16 × 11,249.35
  4. Step 4: Simplify right side
    14,072.20x = 218,644,166.50
  5. Step 5: Solve for x
    x = 218,644,166.50/14,072.20
  6. Step 6: Final answer
    x = 15,537.31

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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.