Home / 16,255.52-22,429.09-9,450.78

Finding the Fourth Proportional to 16,255.52, 22,429.09 and 9,450.78

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Solution

The fourth proportional to 16,255.52, 22,429.09 and 9,450.78 is: 13,040.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,255.52 : 22,429.09 = 9,450.78 : x
  2. Step 2: Convert to fraction form
    16,255.52/22,429.09 = 9,450.78/x
  3. Step 3: Cross multiply
    16,255.52x = 22,429.09 × 9,450.78
  4. Step 4: Simplify right side
    16,255.52x = 211,972,395.19
  5. Step 5: Solve for x
    x = 211,972,395.19/16,255.52
  6. Step 6: Final answer
    x = 13,040.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.