Home / 18,741.24-25,884.18-12,762.54

Finding the Fourth Proportional to 18,741.24, 25,884.18 and 12,762.54

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Solution

The fourth proportional to 18,741.24, 25,884.18 and 12,762.54 is: 17,626.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,741.24 : 25,884.18 = 12,762.54 : x
  2. Step 2: Convert to fraction form
    18,741.24/25,884.18 = 12,762.54/x
  3. Step 3: Cross multiply
    18,741.24x = 25,884.18 × 12,762.54
  4. Step 4: Simplify right side
    18,741.24x = 330,347,882.62
  5. Step 5: Solve for x
    x = 330,347,882.62/18,741.24
  6. Step 6: Final answer
    x = 17,626.79

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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.