Home / 18,193.79-25,105.41-10,235.86

Finding the Fourth Proportional to 18,193.79, 25,105.41 and 10,235.86

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Solution

The fourth proportional to 18,193.79, 25,105.41 and 10,235.86 is: 14,124.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,193.79 : 25,105.41 = 10,235.86 : x
  2. Step 2: Convert to fraction form
    18,193.79/25,105.41 = 10,235.86/x
  3. Step 3: Cross multiply
    18,193.79x = 25,105.41 × 10,235.86
  4. Step 4: Simplify right side
    18,193.79x = 256,975,399.24
  5. Step 5: Solve for x
    x = 256,975,399.24/18,193.79
  6. Step 6: Final answer
    x = 14,124.34

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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.