Home / 18,261.36-25,200.24-10,303.38

Finding the Fourth Proportional to 18,261.36, 25,200.24 and 10,303.38

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Solution

The fourth proportional to 18,261.36, 25,200.24 and 10,303.38 is: 14,218.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,261.36 : 25,200.24 = 10,303.38 : x
  2. Step 2: Convert to fraction form
    18,261.36/25,200.24 = 10,303.38/x
  3. Step 3: Cross multiply
    18,261.36x = 25,200.24 × 10,303.38
  4. Step 4: Simplify right side
    18,261.36x = 259,647,648.81
  5. Step 5: Solve for x
    x = 259,647,648.81/18,261.36
  6. Step 6: Final answer
    x = 14,218.42

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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.