Home / 26,542.94-39,770.64-15,418.40

Finding the Fourth Proportional to 26,542.94, 39,770.64 and 15,418.40

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Solution

The fourth proportional to 26,542.94, 39,770.64 and 15,418.40 is: 23,102.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,542.94 : 39,770.64 = 15,418.40 : x
  2. Step 2: Convert to fraction form
    26,542.94/39,770.64 = 15,418.40/x
  3. Step 3: Cross multiply
    26,542.94x = 39,770.64 × 15,418.40
  4. Step 4: Simplify right side
    26,542.94x = 613,199,436.92
  5. Step 5: Solve for x
    x = 613,199,436.92/26,542.94
  6. Step 6: Final answer
    x = 23,102.17

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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.