Home / 19,950.55-27,530.65-10,998.04

Finding the Fourth Proportional to 19,950.55, 27,530.65 and 10,998.04

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Solution

The fourth proportional to 19,950.55, 27,530.65 and 10,998.04 is: 15,176.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,950.55 : 27,530.65 = 10,998.04 : x
  2. Step 2: Convert to fraction form
    19,950.55/27,530.65 = 10,998.04/x
  3. Step 3: Cross multiply
    19,950.55x = 27,530.65 × 10,998.04
  4. Step 4: Simplify right side
    19,950.55x = 302,783,189.93
  5. Step 5: Solve for x
    x = 302,783,189.93/19,950.55
  6. Step 6: Final answer
    x = 15,176.68

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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.