Home / 45,021.62-67,532.46-11,741.60

Finding the Fourth Proportional to 45,021.62, 67,532.46 and 11,741.60

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Solution

The fourth proportional to 45,021.62, 67,532.46 and 11,741.60 is: 17,612.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,021.62 : 67,532.46 = 11,741.60 : x
  2. Step 2: Convert to fraction form
    45,021.62/67,532.46 = 11,741.60/x
  3. Step 3: Cross multiply
    45,021.62x = 67,532.46 × 11,741.60
  4. Step 4: Simplify right side
    45,021.62x = 792,939,132.34
  5. Step 5: Solve for x
    x = 792,939,132.34/45,021.62
  6. Step 6: Final answer
    x = 17,612.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.