Home / 19,850.92-27,395.04-10,898.80

Finding the Fourth Proportional to 19,850.92, 27,395.04 and 10,898.80

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Solution

The fourth proportional to 19,850.92, 27,395.04 and 10,898.80 is: 15,040.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,850.92 : 27,395.04 = 10,898.80 : x
  2. Step 2: Convert to fraction form
    19,850.92/27,395.04 = 10,898.80/x
  3. Step 3: Cross multiply
    19,850.92x = 27,395.04 × 10,898.80
  4. Step 4: Simplify right side
    19,850.92x = 298,573,061.95
  5. Step 5: Solve for x
    x = 298,573,061.95/19,850.92
  6. Step 6: Final answer
    x = 15,040.77

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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.