Home / 19,356.87-26,714.01-11,400.65

Finding the Fourth Proportional to 19,356.87, 26,714.01 and 11,400.65

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Solution

The fourth proportional to 19,356.87, 26,714.01 and 11,400.65 is: 15,733.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,356.87 : 26,714.01 = 11,400.65 : x
  2. Step 2: Convert to fraction form
    19,356.87/26,714.01 = 11,400.65/x
  3. Step 3: Cross multiply
    19,356.87x = 26,714.01 × 11,400.65
  4. Step 4: Simplify right side
    19,356.87x = 304,556,944.54
  5. Step 5: Solve for x
    x = 304,556,944.54/19,356.87
  6. Step 6: Final answer
    x = 15,733.79

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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.