Home / 18,351.93-25,325.61-9,968.43

Finding the Fourth Proportional to 18,351.93, 25,325.61 and 9,968.43

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Solution

The fourth proportional to 18,351.93, 25,325.61 and 9,968.43 is: 13,756.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,351.93 : 25,325.61 = 9,968.43 : x
  2. Step 2: Convert to fraction form
    18,351.93/25,325.61 = 9,968.43/x
  3. Step 3: Cross multiply
    18,351.93x = 25,325.61 × 9,968.43
  4. Step 4: Simplify right side
    18,351.93x = 252,456,570.49
  5. Step 5: Solve for x
    x = 252,456,570.49/18,351.93
  6. Step 6: Final answer
    x = 13,756.40

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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.