Home / 18,348.44-25,320.62-10,390.52

Finding the Fourth Proportional to 18,348.44, 25,320.62 and 10,390.52

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Solution

The fourth proportional to 18,348.44, 25,320.62 and 10,390.52 is: 14,338.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,348.44 : 25,320.62 = 10,390.52 : x
  2. Step 2: Convert to fraction form
    18,348.44/25,320.62 = 10,390.52/x
  3. Step 3: Cross multiply
    18,348.44x = 25,320.62 × 10,390.52
  4. Step 4: Simplify right side
    18,348.44x = 263,094,408.52
  5. Step 5: Solve for x
    x = 263,094,408.52/18,348.44
  6. Step 6: Final answer
    x = 14,338.79

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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.