Home / 26,661.54-39,934.80-12,600.35

Finding the Fourth Proportional to 26,661.54, 39,934.80 and 12,600.35

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Solution

The fourth proportional to 26,661.54, 39,934.80 and 12,600.35 is: 18,873.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,661.54 : 39,934.80 = 12,600.35 : x
  2. Step 2: Convert to fraction form
    26,661.54/39,934.80 = 12,600.35/x
  3. Step 3: Cross multiply
    26,661.54x = 39,934.80 × 12,600.35
  4. Step 4: Simplify right side
    26,661.54x = 503,192,257.51
  5. Step 5: Solve for x
    x = 503,192,257.51/26,661.54
  6. Step 6: Final answer
    x = 18,873.34

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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.