Home / 18,173.45-25,078.05-10,216.87

Finding the Fourth Proportional to 18,173.45, 25,078.05 and 10,216.87

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Solution

The fourth proportional to 18,173.45, 25,078.05 and 10,216.87 is: 14,098.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,173.45 : 25,078.05 = 10,216.87 : x
  2. Step 2: Convert to fraction form
    18,173.45/25,078.05 = 10,216.87/x
  3. Step 3: Cross multiply
    18,173.45x = 25,078.05 × 10,216.87
  4. Step 4: Simplify right side
    18,173.45x = 256,219,114.01
  5. Step 5: Solve for x
    x = 256,219,114.01/18,173.45
  6. Step 6: Final answer
    x = 14,098.54

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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.