Home / 19,418.88-26,795.52-11,035.20

Finding the Fourth Proportional to 19,418.88, 26,795.52 and 11,035.20

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Solution

The fourth proportional to 19,418.88, 26,795.52 and 11,035.20 is: 15,227.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,418.88 : 26,795.52 = 11,035.20 : x
  2. Step 2: Convert to fraction form
    19,418.88/26,795.52 = 11,035.20/x
  3. Step 3: Cross multiply
    19,418.88x = 26,795.52 × 11,035.20
  4. Step 4: Simplify right side
    19,418.88x = 295,693,922.30
  5. Step 5: Solve for x
    x = 295,693,922.30/19,418.88
  6. Step 6: Final answer
    x = 15,227.14

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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.