Home / 18,150.86-25,046.75-10,191.54

Finding the Fourth Proportional to 18,150.86, 25,046.75 and 10,191.54

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Solution

The fourth proportional to 18,150.86, 25,046.75 and 10,191.54 is: 14,063.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,150.86 : 25,046.75 = 10,191.54 : x
  2. Step 2: Convert to fraction form
    18,150.86/25,046.75 = 10,191.54/x
  3. Step 3: Cross multiply
    18,150.86x = 25,046.75 × 10,191.54
  4. Step 4: Simplify right side
    18,150.86x = 255,264,979.97
  5. Step 5: Solve for x
    x = 255,264,979.97/18,150.86
  6. Step 6: Final answer
    x = 14,063.52

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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.