Home / 19,950.74-27,532.20-10,998.56

Finding the Fourth Proportional to 19,950.74, 27,532.20 and 10,998.56

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Solution

The fourth proportional to 19,950.74, 27,532.20 and 10,998.56 is: 15,178.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,950.74 : 27,532.20 = 10,998.56 : x
  2. Step 2: Convert to fraction form
    19,950.74/27,532.20 = 10,998.56/x
  3. Step 3: Cross multiply
    19,950.74x = 27,532.20 × 10,998.56
  4. Step 4: Simplify right side
    19,950.74x = 302,814,553.63
  5. Step 5: Solve for x
    x = 302,814,553.63/19,950.74
  6. Step 6: Final answer
    x = 15,178.11

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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.