Home / 18,880.44-26,052.48-10,919.76

Finding the Fourth Proportional to 18,880.44, 26,052.48 and 10,919.76

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Solution

The fourth proportional to 18,880.44, 26,052.48 and 10,919.76 is: 15,067.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,880.44 : 26,052.48 = 10,919.76 : x
  2. Step 2: Convert to fraction form
    18,880.44/26,052.48 = 10,919.76/x
  3. Step 3: Cross multiply
    18,880.44x = 26,052.48 × 10,919.76
  4. Step 4: Simplify right side
    18,880.44x = 284,486,829.00
  5. Step 5: Solve for x
    x = 284,486,829.00/18,880.44
  6. Step 6: Final answer
    x = 15,067.81

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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.