Home / 16,858.05-25,279.26-9,840.09

Finding the Fourth Proportional to 16,858.05, 25,279.26 and 9,840.09

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Solution

The fourth proportional to 16,858.05, 25,279.26 and 9,840.09 is: 14,755.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,858.05 : 25,279.26 = 9,840.09 : x
  2. Step 2: Convert to fraction form
    16,858.05/25,279.26 = 9,840.09/x
  3. Step 3: Cross multiply
    16,858.05x = 25,279.26 × 9,840.09
  4. Step 4: Simplify right side
    16,858.05x = 248,750,193.53
  5. Step 5: Solve for x
    x = 248,750,193.53/16,858.05
  6. Step 6: Final answer
    x = 14,755.57

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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.