Home / 17,973.85-26,827.70-16,865.77

Finding the Fourth Proportional to 17,973.85, 26,827.70 and 16,865.77

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Solution

The fourth proportional to 17,973.85, 26,827.70 and 16,865.77 is: 25,173.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,973.85 : 26,827.70 = 16,865.77 : x
  2. Step 2: Convert to fraction form
    17,973.85/26,827.70 = 16,865.77/x
  3. Step 3: Cross multiply
    17,973.85x = 26,827.70 × 16,865.77
  4. Step 4: Simplify right side
    17,973.85x = 452,469,817.83
  5. Step 5: Solve for x
    x = 452,469,817.83/17,973.85
  6. Step 6: Final answer
    x = 25,173.78

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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.