Home / 20,033.64-27,645.48-10,958.81

Finding the Fourth Proportional to 20,033.64, 27,645.48 and 10,958.81

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Solution

The fourth proportional to 20,033.64, 27,645.48 and 10,958.81 is: 15,122.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,033.64 : 27,645.48 = 10,958.81 : x
  2. Step 2: Convert to fraction form
    20,033.64/27,645.48 = 10,958.81/x
  3. Step 3: Cross multiply
    20,033.64x = 27,645.48 × 10,958.81
  4. Step 4: Simplify right side
    20,033.64x = 302,961,424.45
  5. Step 5: Solve for x
    x = 302,961,424.45/20,033.64
  6. Step 6: Final answer
    x = 15,122.63

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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.