Home / 18,605.35-25,674.94-10,647.07

Finding the Fourth Proportional to 18,605.35, 25,674.94 and 10,647.07

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Solution

The fourth proportional to 18,605.35, 25,674.94 and 10,647.07 is: 14,692.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,605.35 : 25,674.94 = 10,647.07 : x
  2. Step 2: Convert to fraction form
    18,605.35/25,674.94 = 10,647.07/x
  3. Step 3: Cross multiply
    18,605.35x = 25,674.94 × 10,647.07
  4. Step 4: Simplify right side
    18,605.35x = 273,362,701.82
  5. Step 5: Solve for x
    x = 273,362,701.82/18,605.35
  6. Step 6: Final answer
    x = 14,692.69

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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.