Home / 19,774.14-27,288.40-10,821.62

Finding the Fourth Proportional to 19,774.14, 27,288.40 and 10,821.62

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Solution

The fourth proportional to 19,774.14, 27,288.40 and 10,821.62 is: 14,933.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,774.14 : 27,288.40 = 10,821.62 : x
  2. Step 2: Convert to fraction form
    19,774.14/27,288.40 = 10,821.62/x
  3. Step 3: Cross multiply
    19,774.14x = 27,288.40 × 10,821.62
  4. Step 4: Simplify right side
    19,774.14x = 295,304,695.21
  5. Step 5: Solve for x
    x = 295,304,695.21/19,774.14
  6. Step 6: Final answer
    x = 14,933.88

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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.