Home / 19,006.28-28,494.89-11,508.21

Finding the Fourth Proportional to 19,006.28, 28,494.89 and 11,508.21

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Solution

The fourth proportional to 19,006.28, 28,494.89 and 11,508.21 is: 17,253.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,006.28 : 28,494.89 = 11,508.21 : x
  2. Step 2: Convert to fraction form
    19,006.28/28,494.89 = 11,508.21/x
  3. Step 3: Cross multiply
    19,006.28x = 28,494.89 × 11,508.21
  4. Step 4: Simplify right side
    19,006.28x = 327,925,163.66
  5. Step 5: Solve for x
    x = 327,925,163.66/19,006.28
  6. Step 6: Final answer
    x = 17,253.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.