Home / 17,601.66-26,381.42-12,307.78

Finding the Fourth Proportional to 17,601.66, 26,381.42 and 12,307.78

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Solution

The fourth proportional to 17,601.66, 26,381.42 and 12,307.78 is: 18,446.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,601.66 : 26,381.42 = 12,307.78 : x
  2. Step 2: Convert to fraction form
    17,601.66/26,381.42 = 12,307.78/x
  3. Step 3: Cross multiply
    17,601.66x = 26,381.42 × 12,307.78
  4. Step 4: Simplify right side
    17,601.66x = 324,696,713.45
  5. Step 5: Solve for x
    x = 324,696,713.45/17,601.66
  6. Step 6: Final answer
    x = 18,446.94

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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.