Home / 19,171.67-26,456.25-10,786.55

Finding the Fourth Proportional to 19,171.67, 26,456.25 and 10,786.55

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Solution

The fourth proportional to 19,171.67, 26,456.25 and 10,786.55 is: 14,885.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,171.67 : 26,456.25 = 10,786.55 : x
  2. Step 2: Convert to fraction form
    19,171.67/26,456.25 = 10,786.55/x
  3. Step 3: Cross multiply
    19,171.67x = 26,456.25 × 10,786.55
  4. Step 4: Simplify right side
    19,171.67x = 285,371,477.22
  5. Step 5: Solve for x
    x = 285,371,477.22/19,171.67
  6. Step 6: Final answer
    x = 14,885.06

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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.