Home / 18,203.27-25,122.93-10,247.05

Finding the Fourth Proportional to 18,203.27, 25,122.93 and 10,247.05

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Solution

The fourth proportional to 18,203.27, 25,122.93 and 10,247.05 is: 14,142.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,203.27 : 25,122.93 = 10,247.05 : x
  2. Step 2: Convert to fraction form
    18,203.27/25,122.93 = 10,247.05/x
  3. Step 3: Cross multiply
    18,203.27x = 25,122.93 × 10,247.05
  4. Step 4: Simplify right side
    18,203.27x = 257,435,794.24
  5. Step 5: Solve for x
    x = 257,435,794.24/18,203.27
  6. Step 6: Final answer
    x = 14,142.28

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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.