Home / 19,950.41-27,531.96-10,998.56

Finding the Fourth Proportional to 19,950.41, 27,531.96 and 10,998.56

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Solution

The fourth proportional to 19,950.41, 27,531.96 and 10,998.56 is: 15,178.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,950.41 : 27,531.96 = 10,998.56 : x
  2. Step 2: Convert to fraction form
    19,950.41/27,531.96 = 10,998.56/x
  3. Step 3: Cross multiply
    19,950.41x = 27,531.96 × 10,998.56
  4. Step 4: Simplify right side
    19,950.41x = 302,811,913.98
  5. Step 5: Solve for x
    x = 302,811,913.98/19,950.41
  6. Step 6: Final answer
    x = 15,178.23

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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.