Home / 18,651.06-25,738.47-10,267.50

Finding the Fourth Proportional to 18,651.06, 25,738.47 and 10,267.50

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Solution

The fourth proportional to 18,651.06, 25,738.47 and 10,267.50 is: 14,169.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,651.06 : 25,738.47 = 10,267.50 : x
  2. Step 2: Convert to fraction form
    18,651.06/25,738.47 = 10,267.50/x
  3. Step 3: Cross multiply
    18,651.06x = 25,738.47 × 10,267.50
  4. Step 4: Simplify right side
    18,651.06x = 264,269,740.73
  5. Step 5: Solve for x
    x = 264,269,740.73/18,651.06
  6. Step 6: Final answer
    x = 14,169.15

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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.