Home / 19,847.09-27,389.41-10,894.57

Finding the Fourth Proportional to 19,847.09, 27,389.41 and 10,894.57

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Solution

The fourth proportional to 19,847.09, 27,389.41 and 10,894.57 is: 15,034.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,847.09 : 27,389.41 = 10,894.57 : x
  2. Step 2: Convert to fraction form
    19,847.09/27,389.41 = 10,894.57/x
  3. Step 3: Cross multiply
    19,847.09x = 27,389.41 × 10,894.57
  4. Step 4: Simplify right side
    19,847.09x = 298,395,748.79
  5. Step 5: Solve for x
    x = 298,395,748.79/19,847.09
  6. Step 6: Final answer
    x = 15,034.73

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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.