Home / 13,944.09-20,897.68-10,228.92

Finding the Fourth Proportional to 13,944.09, 20,897.68 and 10,228.92

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Solution

The fourth proportional to 13,944.09, 20,897.68 and 10,228.92 is: 15,329.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,944.09 : 20,897.68 = 10,228.92 : x
  2. Step 2: Convert to fraction form
    13,944.09/20,897.68 = 10,228.92/x
  3. Step 3: Cross multiply
    13,944.09x = 20,897.68 × 10,228.92
  4. Step 4: Simplify right side
    13,944.09x = 213,760,696.91
  5. Step 5: Solve for x
    x = 213,760,696.91/13,944.09
  6. Step 6: Final answer
    x = 15,329.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.