Home / 17,381.76-26,067.50-7,518.66

Finding the Fourth Proportional to 17,381.76, 26,067.50 and 7,518.66

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Solution

The fourth proportional to 17,381.76, 26,067.50 and 7,518.66 is: 11,275.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,381.76 : 26,067.50 = 7,518.66 : x
  2. Step 2: Convert to fraction form
    17,381.76/26,067.50 = 7,518.66/x
  3. Step 3: Cross multiply
    17,381.76x = 26,067.50 × 7,518.66
  4. Step 4: Simplify right side
    17,381.76x = 195,992,669.55
  5. Step 5: Solve for x
    x = 195,992,669.55/17,381.76
  6. Step 6: Final answer
    x = 11,275.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.