Home / 19,009.91-26,227.17-11,453.39

Finding the Fourth Proportional to 19,009.91, 26,227.17 and 11,453.39

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Solution

The fourth proportional to 19,009.91, 26,227.17 and 11,453.39 is: 15,801.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,009.91 : 26,227.17 = 11,453.39 : x
  2. Step 2: Convert to fraction form
    19,009.91/26,227.17 = 11,453.39/x
  3. Step 3: Cross multiply
    19,009.91x = 26,227.17 × 11,453.39
  4. Step 4: Simplify right side
    19,009.91x = 300,389,875.47
  5. Step 5: Solve for x
    x = 300,389,875.47/19,009.91
  6. Step 6: Final answer
    x = 15,801.76

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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.