Home / 19,981.59-27,573.41-11,028.86

Finding the Fourth Proportional to 19,981.59, 27,573.41 and 11,028.86

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Solution

The fourth proportional to 19,981.59, 27,573.41 and 11,028.86 is: 15,219.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,981.59 : 27,573.41 = 11,028.86 : x
  2. Step 2: Convert to fraction form
    19,981.59/27,573.41 = 11,028.86/x
  3. Step 3: Cross multiply
    19,981.59x = 27,573.41 × 11,028.86
  4. Step 4: Simplify right side
    19,981.59x = 304,103,278.61
  5. Step 5: Solve for x
    x = 304,103,278.61/19,981.59
  6. Step 6: Final answer
    x = 15,219.17

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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.