Home / 19,166.98-26,449.78-10,781.86

Finding the Fourth Proportional to 19,166.98, 26,449.78 and 10,781.86

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Solution

The fourth proportional to 19,166.98, 26,449.78 and 10,781.86 is: 14,878.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,166.98 : 26,449.78 = 10,781.86 : x
  2. Step 2: Convert to fraction form
    19,166.98/26,449.78 = 10,781.86/x
  3. Step 3: Cross multiply
    19,166.98x = 26,449.78 × 10,781.86
  4. Step 4: Simplify right side
    19,166.98x = 285,177,824.99
  5. Step 5: Solve for x
    x = 285,177,824.99/19,166.98
  6. Step 6: Final answer
    x = 14,878.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.