Home / 19,753.70-27,257.04-11,254.74

Finding the Fourth Proportional to 19,753.70, 27,257.04 and 11,254.74

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Solution

The fourth proportional to 19,753.70, 27,257.04 and 11,254.74 is: 15,529.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,753.70 : 27,257.04 = 11,254.74 : x
  2. Step 2: Convert to fraction form
    19,753.70/27,257.04 = 11,254.74/x
  3. Step 3: Cross multiply
    19,753.70x = 27,257.04 × 11,254.74
  4. Step 4: Simplify right side
    19,753.70x = 306,770,898.37
  5. Step 5: Solve for x
    x = 306,770,898.37/19,753.70
  6. Step 6: Final answer
    x = 15,529.79

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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.