Home / 19,926.81-27,499.70-10,974.99

Finding the Fourth Proportional to 19,926.81, 27,499.70 and 10,974.99

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Solution

The fourth proportional to 19,926.81, 27,499.70 and 10,974.99 is: 15,145.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,926.81 : 27,499.70 = 10,974.99 : x
  2. Step 2: Convert to fraction form
    19,926.81/27,499.70 = 10,974.99/x
  3. Step 3: Cross multiply
    19,926.81x = 27,499.70 × 10,974.99
  4. Step 4: Simplify right side
    19,926.81x = 301,809,063.06
  5. Step 5: Solve for x
    x = 301,809,063.06/19,926.81
  6. Step 6: Final answer
    x = 15,145.88

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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.