Home / 18,364.22-25,342.64-10,406.44

Finding the Fourth Proportional to 18,364.22, 25,342.64 and 10,406.44

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Solution

The fourth proportional to 18,364.22, 25,342.64 and 10,406.44 is: 14,360.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,364.22 : 25,342.64 = 10,406.44 : x
  2. Step 2: Convert to fraction form
    18,364.22/25,342.64 = 10,406.44/x
  3. Step 3: Cross multiply
    18,364.22x = 25,342.64 × 10,406.44
  4. Step 4: Simplify right side
    18,364.22x = 263,726,662.60
  5. Step 5: Solve for x
    x = 263,726,662.60/18,364.22
  6. Step 6: Final answer
    x = 14,360.90

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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.