Home / 25,242.45-37,863.60-11,911.02

Finding the Fourth Proportional to 25,242.45, 37,863.60 and 11,911.02

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Solution

The fourth proportional to 25,242.45, 37,863.60 and 11,911.02 is: 17,866.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,242.45 : 37,863.60 = 11,911.02 : x
  2. Step 2: Convert to fraction form
    25,242.45/37,863.60 = 11,911.02/x
  3. Step 3: Cross multiply
    25,242.45x = 37,863.60 × 11,911.02
  4. Step 4: Simplify right side
    25,242.45x = 450,994,096.87
  5. Step 5: Solve for x
    x = 450,994,096.87/25,242.45
  6. Step 6: Final answer
    x = 17,866.49

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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.