Home / 18,240.48-25,176.60-11,883

Finding the Fourth Proportional to 18,240.48, 25,176.60 and 11,883

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Solution

The fourth proportional to 18,240.48, 25,176.60 and 11,883 is: 16,401.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,240.48 : 25,176.60 = 11,883 : x
  2. Step 2: Convert to fraction form
    18,240.48/25,176.60 = 11,883/x
  3. Step 3: Cross multiply
    18,240.48x = 25,176.60 × 11,883
  4. Step 4: Simplify right side
    18,240.48x = 299,173,537.80
  5. Step 5: Solve for x
    x = 299,173,537.80/18,240.48
  6. Step 6: Final answer
    x = 16,401.63

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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.