Home / 19,909.23-27,474.74-10,956.73

Finding the Fourth Proportional to 19,909.23, 27,474.74 and 10,956.73

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Solution

The fourth proportional to 19,909.23, 27,474.74 and 10,956.73 is: 15,120.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,909.23 : 27,474.74 = 10,956.73 : x
  2. Step 2: Convert to fraction form
    19,909.23/27,474.74 = 10,956.73/x
  3. Step 3: Cross multiply
    19,909.23x = 27,474.74 × 10,956.73
  4. Step 4: Simplify right side
    19,909.23x = 301,033,308.00
  5. Step 5: Solve for x
    x = 301,033,308.00/19,909.23
  6. Step 6: Final answer
    x = 15,120.29

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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.