Home / 19,950.28-27,531.58-10,998.14

Finding the Fourth Proportional to 19,950.28, 27,531.58 and 10,998.14

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Solution

The fourth proportional to 19,950.28, 27,531.58 and 10,998.14 is: 15,177.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,950.28 : 27,531.58 = 10,998.14 : x
  2. Step 2: Convert to fraction form
    19,950.28/27,531.58 = 10,998.14/x
  3. Step 3: Cross multiply
    19,950.28x = 27,531.58 × 10,998.14
  4. Step 4: Simplify right side
    19,950.28x = 302,796,171.26
  5. Step 5: Solve for x
    x = 302,796,171.26/19,950.28
  6. Step 6: Final answer
    x = 15,177.54

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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.