Home / 18,561.75-25,615.62-10,178.25

Finding the Fourth Proportional to 18,561.75, 25,615.62 and 10,178.25

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Solution

The fourth proportional to 18,561.75, 25,615.62 and 10,178.25 is: 14,046.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,561.75 : 25,615.62 = 10,178.25 : x
  2. Step 2: Convert to fraction form
    18,561.75/25,615.62 = 10,178.25/x
  3. Step 3: Cross multiply
    18,561.75x = 25,615.62 × 10,178.25
  4. Step 4: Simplify right side
    18,561.75x = 260,722,184.27
  5. Step 5: Solve for x
    x = 260,722,184.27/18,561.75
  6. Step 6: Final answer
    x = 14,046.21

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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.