Home / 19,508.48-26,921.68-11,012.39

Finding the Fourth Proportional to 19,508.48, 26,921.68 and 11,012.39

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Solution

The fourth proportional to 19,508.48, 26,921.68 and 11,012.39 is: 15,197.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,508.48 : 26,921.68 = 11,012.39 : x
  2. Step 2: Convert to fraction form
    19,508.48/26,921.68 = 11,012.39/x
  3. Step 3: Cross multiply
    19,508.48x = 26,921.68 × 11,012.39
  4. Step 4: Simplify right side
    19,508.48x = 296,472,039.62
  5. Step 5: Solve for x
    x = 296,472,039.62/19,508.48
  6. Step 6: Final answer
    x = 15,197.09

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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.