Home / 19,927.53-27,499.77-10,974.85

Finding the Fourth Proportional to 19,927.53, 27,499.77 and 10,974.85

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Solution

The fourth proportional to 19,927.53, 27,499.77 and 10,974.85 is: 15,145.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,927.53 : 27,499.77 = 10,974.85 : x
  2. Step 2: Convert to fraction form
    19,927.53/27,499.77 = 10,974.85/x
  3. Step 3: Cross multiply
    19,927.53x = 27,499.77 × 10,974.85
  4. Step 4: Simplify right side
    19,927.53x = 301,805,782.04
  5. Step 5: Solve for x
    x = 301,805,782.04/19,927.53
  6. Step 6: Final answer
    x = 15,145.17

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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.