Home / 26,605.86-39,910.83-15,513.66

Finding the Fourth Proportional to 26,605.86, 39,910.83 and 15,513.66

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Solution

The fourth proportional to 26,605.86, 39,910.83 and 15,513.66 is: 23,271.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,605.86 : 39,910.83 = 15,513.66 : x
  2. Step 2: Convert to fraction form
    26,605.86/39,910.83 = 15,513.66/x
  3. Step 3: Cross multiply
    26,605.86x = 39,910.83 × 15,513.66
  4. Step 4: Simplify right side
    26,605.86x = 619,163,046.94
  5. Step 5: Solve for x
    x = 619,163,046.94/26,605.86
  6. Step 6: Final answer
    x = 23,271.68

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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.