Home / 18,512.94-25,559.64-11,443.44

Finding the Fourth Proportional to 18,512.94, 25,559.64 and 11,443.44

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Solution

The fourth proportional to 18,512.94, 25,559.64 and 11,443.44 is: 15,799.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,512.94 : 25,559.64 = 11,443.44 : x
  2. Step 2: Convert to fraction form
    18,512.94/25,559.64 = 11,443.44/x
  3. Step 3: Cross multiply
    18,512.94x = 25,559.64 × 11,443.44
  4. Step 4: Simplify right side
    18,512.94x = 292,490,206.76
  5. Step 5: Solve for x
    x = 292,490,206.76/18,512.94
  6. Step 6: Final answer
    x = 15,799.23

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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.