Home / 18,709.19-25,818.62-10,325.63

Finding the Fourth Proportional to 18,709.19, 25,818.62 and 10,325.63

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Solution

The fourth proportional to 18,709.19, 25,818.62 and 10,325.63 is: 14,249.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,709.19 : 25,818.62 = 10,325.63 : x
  2. Step 2: Convert to fraction form
    18,709.19/25,818.62 = 10,325.63/x
  3. Step 3: Cross multiply
    18,709.19x = 25,818.62 × 10,325.63
  4. Step 4: Simplify right side
    18,709.19x = 266,593,413.95
  5. Step 5: Solve for x
    x = 266,593,413.95/18,709.19
  6. Step 6: Final answer
    x = 14,249.33

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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.