Home / 19,147.73-26,420.78-10,649.75

Finding the Fourth Proportional to 19,147.73, 26,420.78 and 10,649.75

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Solution

The fourth proportional to 19,147.73, 26,420.78 and 10,649.75 is: 14,694.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,147.73 : 26,420.78 = 10,649.75 : x
  2. Step 2: Convert to fraction form
    19,147.73/26,420.78 = 10,649.75/x
  3. Step 3: Cross multiply
    19,147.73x = 26,420.78 × 10,649.75
  4. Step 4: Simplify right side
    19,147.73x = 281,374,596.33
  5. Step 5: Solve for x
    x = 281,374,596.33/19,147.73
  6. Step 6: Final answer
    x = 14,694.94

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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.