Home / 19,111.30-26,375.01-11,557.92

Finding the Fourth Proportional to 19,111.30, 26,375.01 and 11,557.92

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Solution

The fourth proportional to 19,111.30, 26,375.01 and 11,557.92 is: 15,950.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,111.30 : 26,375.01 = 11,557.92 : x
  2. Step 2: Convert to fraction form
    19,111.30/26,375.01 = 11,557.92/x
  3. Step 3: Cross multiply
    19,111.30x = 26,375.01 × 11,557.92
  4. Step 4: Simplify right side
    19,111.30x = 304,840,255.58
  5. Step 5: Solve for x
    x = 304,840,255.58/19,111.30
  6. Step 6: Final answer
    x = 15,950.79

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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.