Home / 18,929.27-26,105.41-11,856.35

Finding the Fourth Proportional to 18,929.27, 26,105.41 and 11,856.35

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Solution

The fourth proportional to 18,929.27, 26,105.41 and 11,856.35 is: 16,351.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,929.27 : 26,105.41 = 11,856.35 : x
  2. Step 2: Convert to fraction form
    18,929.27/26,105.41 = 11,856.35/x
  3. Step 3: Cross multiply
    18,929.27x = 26,105.41 × 11,856.35
  4. Step 4: Simplify right side
    18,929.27x = 309,514,877.85
  5. Step 5: Solve for x
    x = 309,514,877.85/18,929.27
  6. Step 6: Final answer
    x = 16,351.13

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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.