Home / 19,906.44-27,470.50-10,953.78

Finding the Fourth Proportional to 19,906.44, 27,470.50 and 10,953.78

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Solution

The fourth proportional to 19,906.44, 27,470.50 and 10,953.78 is: 15,116.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,906.44 : 27,470.50 = 10,953.78 : x
  2. Step 2: Convert to fraction form
    19,906.44/27,470.50 = 10,953.78/x
  3. Step 3: Cross multiply
    19,906.44x = 27,470.50 × 10,953.78
  4. Step 4: Simplify right side
    19,906.44x = 300,905,813.49
  5. Step 5: Solve for x
    x = 300,905,813.49/19,906.44
  6. Step 6: Final answer
    x = 15,116.00

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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.