Home / 26,133.88-39,265.08-16,778.40

Finding the Fourth Proportional to 26,133.88, 39,265.08 and 16,778.40

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Solution

The fourth proportional to 26,133.88, 39,265.08 and 16,778.40 is: 25,208.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,133.88 : 39,265.08 = 16,778.40 : x
  2. Step 2: Convert to fraction form
    26,133.88/39,265.08 = 16,778.40/x
  3. Step 3: Cross multiply
    26,133.88x = 39,265.08 × 16,778.40
  4. Step 4: Simplify right side
    26,133.88x = 658,805,218.27
  5. Step 5: Solve for x
    x = 658,805,218.27/26,133.88
  6. Step 6: Final answer
    x = 25,208.86

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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.