Home / 17,910.30-24,699.69-11,193.78

Finding the Fourth Proportional to 17,910.30, 24,699.69 and 11,193.78

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Solution

The fourth proportional to 17,910.30, 24,699.69 and 11,193.78 is: 15,437.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,910.30 : 24,699.69 = 11,193.78 : x
  2. Step 2: Convert to fraction form
    17,910.30/24,699.69 = 11,193.78/x
  3. Step 3: Cross multiply
    17,910.30x = 24,699.69 × 11,193.78
  4. Step 4: Simplify right side
    17,910.30x = 276,482,895.93
  5. Step 5: Solve for x
    x = 276,482,895.93/17,910.30
  6. Step 6: Final answer
    x = 15,437.09

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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.