Home / 19,514.87-26,920.59-11,856.08

Finding the Fourth Proportional to 19,514.87, 26,920.59 and 11,856.08

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Solution

The fourth proportional to 19,514.87, 26,920.59 and 11,856.08 is: 16,355.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,514.87 : 26,920.59 = 11,856.08 : x
  2. Step 2: Convert to fraction form
    19,514.87/26,920.59 = 11,856.08/x
  3. Step 3: Cross multiply
    19,514.87x = 26,920.59 × 11,856.08
  4. Step 4: Simplify right side
    19,514.87x = 319,172,691.53
  5. Step 5: Solve for x
    x = 319,172,691.53/19,514.87
  6. Step 6: Final answer
    x = 16,355.36

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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.