Home / 16,824.78-25,240.86-4,977.63

Finding the Fourth Proportional to 16,824.78, 25,240.86 and 4,977.63

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Solution

The fourth proportional to 16,824.78, 25,240.86 and 4,977.63 is: 7,467.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,824.78 : 25,240.86 = 4,977.63 : x
  2. Step 2: Convert to fraction form
    16,824.78/25,240.86 = 4,977.63/x
  3. Step 3: Cross multiply
    16,824.78x = 25,240.86 × 4,977.63
  4. Step 4: Simplify right side
    16,824.78x = 125,639,661.96
  5. Step 5: Solve for x
    x = 125,639,661.96/16,824.78
  6. Step 6: Final answer
    x = 7,467.54

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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.