Home / 17,966.72-26,791.80-16,720.13

Finding the Fourth Proportional to 17,966.72, 26,791.80 and 16,720.13

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Solution

The fourth proportional to 17,966.72, 26,791.80 and 16,720.13 is: 24,932.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,966.72 : 26,791.80 = 16,720.13 : x
  2. Step 2: Convert to fraction form
    17,966.72/26,791.80 = 16,720.13/x
  3. Step 3: Cross multiply
    17,966.72x = 26,791.80 × 16,720.13
  4. Step 4: Simplify right side
    17,966.72x = 447,962,378.93
  5. Step 5: Solve for x
    x = 447,962,378.93/17,966.72
  6. Step 6: Final answer
    x = 24,932.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.