Home / 20,197.34-27,873.43-11,244.64

Finding the Fourth Proportional to 20,197.34, 27,873.43 and 11,244.64

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Solution

The fourth proportional to 20,197.34, 27,873.43 and 11,244.64 is: 15,518.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,197.34 : 27,873.43 = 11,244.64 : x
  2. Step 2: Convert to fraction form
    20,197.34/27,873.43 = 11,244.64/x
  3. Step 3: Cross multiply
    20,197.34x = 27,873.43 × 11,244.64
  4. Step 4: Simplify right side
    20,197.34x = 313,426,629.69
  5. Step 5: Solve for x
    x = 313,426,629.69/20,197.34
  6. Step 6: Final answer
    x = 15,518.22

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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.