Home / 14,347.54-21,481.21-7,750.09

Finding the Fourth Proportional to 14,347.54, 21,481.21 and 7,750.09

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Solution

The fourth proportional to 14,347.54, 21,481.21 and 7,750.09 is: 11,603.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,347.54 : 21,481.21 = 7,750.09 : x
  2. Step 2: Convert to fraction form
    14,347.54/21,481.21 = 7,750.09/x
  3. Step 3: Cross multiply
    14,347.54x = 21,481.21 × 7,750.09
  4. Step 4: Simplify right side
    14,347.54x = 166,481,310.81
  5. Step 5: Solve for x
    x = 166,481,310.81/14,347.54
  6. Step 6: Final answer
    x = 11,603.47

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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.