Home / 19,972.99-27,562.51-11,020.87

Finding the Fourth Proportional to 19,972.99, 27,562.51 and 11,020.87

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Solution

The fourth proportional to 19,972.99, 27,562.51 and 11,020.87 is: 15,208.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,972.99 : 27,562.51 = 11,020.87 : x
  2. Step 2: Convert to fraction form
    19,972.99/27,562.51 = 11,020.87/x
  3. Step 3: Cross multiply
    19,972.99x = 27,562.51 × 11,020.87
  4. Step 4: Simplify right side
    19,972.99x = 303,762,839.58
  5. Step 5: Solve for x
    x = 303,762,839.58/19,972.99
  6. Step 6: Final answer
    x = 15,208.68

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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.