Home / 19,161.15-26,442.90-11,605.88

Finding the Fourth Proportional to 19,161.15, 26,442.90 and 11,605.88

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Solution

The fourth proportional to 19,161.15, 26,442.90 and 11,605.88 is: 16,016.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,161.15 : 26,442.90 = 11,605.88 : x
  2. Step 2: Convert to fraction form
    19,161.15/26,442.90 = 11,605.88/x
  3. Step 3: Cross multiply
    19,161.15x = 26,442.90 × 11,605.88
  4. Step 4: Simplify right side
    19,161.15x = 306,892,992.04
  5. Step 5: Solve for x
    x = 306,892,992.04/19,161.15
  6. Step 6: Final answer
    x = 16,016.42

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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.