Home / 19,981.04-27,573.30-11,028.38

Finding the Fourth Proportional to 19,981.04, 27,573.30 and 11,028.38

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Solution

The fourth proportional to 19,981.04, 27,573.30 and 11,028.38 is: 15,218.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,981.04 : 27,573.30 = 11,028.38 : x
  2. Step 2: Convert to fraction form
    19,981.04/27,573.30 = 11,028.38/x
  3. Step 3: Cross multiply
    19,981.04x = 27,573.30 × 11,028.38
  4. Step 4: Simplify right side
    19,981.04x = 304,088,830.25
  5. Step 5: Solve for x
    x = 304,088,830.25/19,981.04
  6. Step 6: Final answer
    x = 15,218.87

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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.