Home / 19,950.77-27,532.07-10,998.18

Finding the Fourth Proportional to 19,950.77, 27,532.07 and 10,998.18

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Solution

The fourth proportional to 19,950.77, 27,532.07 and 10,998.18 is: 15,177.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,950.77 : 27,532.07 = 10,998.18 : x
  2. Step 2: Convert to fraction form
    19,950.77/27,532.07 = 10,998.18/x
  3. Step 3: Cross multiply
    19,950.77x = 27,532.07 × 10,998.18
  4. Step 4: Simplify right side
    19,950.77x = 302,802,647.88
  5. Step 5: Solve for x
    x = 302,802,647.88/19,950.77
  6. Step 6: Final answer
    x = 15,177.49

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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.