Home / 19,927.20-27,499.54-10,974.68

Finding the Fourth Proportional to 19,927.20, 27,499.54 and 10,974.68

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Solution

The fourth proportional to 19,927.20, 27,499.54 and 10,974.68 is: 15,145.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,927.20 : 27,499.54 = 10,974.68 : x
  2. Step 2: Convert to fraction form
    19,927.20/27,499.54 = 10,974.68/x
  3. Step 3: Cross multiply
    19,927.20x = 27,499.54 × 10,974.68
  4. Step 4: Simplify right side
    19,927.20x = 301,798,651.65
  5. Step 5: Solve for x
    x = 301,798,651.65/19,927.20
  6. Step 6: Final answer
    x = 15,145.06

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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.