Home / 19,418.73-26,795.10-10,919.67

Finding the Fourth Proportional to 19,418.73, 26,795.10 and 10,919.67

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Solution

The fourth proportional to 19,418.73, 26,795.10 and 10,919.67 is: 15,067.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,418.73 : 26,795.10 = 10,919.67 : x
  2. Step 2: Convert to fraction form
    19,418.73/26,795.10 = 10,919.67/x
  3. Step 3: Cross multiply
    19,418.73x = 26,795.10 × 10,919.67
  4. Step 4: Simplify right side
    19,418.73x = 292,593,649.62
  5. Step 5: Solve for x
    x = 292,593,649.62/19,418.73
  6. Step 6: Final answer
    x = 15,067.60

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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.