Home / 20,197.41-27,868.19-11,699.02

Finding the Fourth Proportional to 20,197.41, 27,868.19 and 11,699.02

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Solution

The fourth proportional to 20,197.41, 27,868.19 and 11,699.02 is: 16,142.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,197.41 : 27,868.19 = 11,699.02 : x
  2. Step 2: Convert to fraction form
    20,197.41/27,868.19 = 11,699.02/x
  3. Step 3: Cross multiply
    20,197.41x = 27,868.19 × 11,699.02
  4. Step 4: Simplify right side
    20,197.41x = 326,030,488.51
  5. Step 5: Solve for x
    x = 326,030,488.51/20,197.41
  6. Step 6: Final answer
    x = 16,142.20

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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.