Home / 16,939.98-25,425.47-8,625.74

Finding the Fourth Proportional to 16,939.98, 25,425.47 and 8,625.74

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Solution

The fourth proportional to 16,939.98, 25,425.47 and 8,625.74 is: 12,946.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,939.98 : 25,425.47 = 8,625.74 : x
  2. Step 2: Convert to fraction form
    16,939.98/25,425.47 = 8,625.74/x
  3. Step 3: Cross multiply
    16,939.98x = 25,425.47 × 8,625.74
  4. Step 4: Simplify right side
    16,939.98x = 219,313,388.03
  5. Step 5: Solve for x
    x = 219,313,388.03/16,939.98
  6. Step 6: Final answer
    x = 12,946.50

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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.