Home / 22,415.48-33,617.82-9,928.60

Finding the Fourth Proportional to 22,415.48, 33,617.82 and 9,928.60

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Solution

The fourth proportional to 22,415.48, 33,617.82 and 9,928.60 is: 14,890.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,415.48 : 33,617.82 = 9,928.60 : x
  2. Step 2: Convert to fraction form
    22,415.48/33,617.82 = 9,928.60/x
  3. Step 3: Cross multiply
    22,415.48x = 33,617.82 × 9,928.60
  4. Step 4: Simplify right side
    22,415.48x = 333,777,887.65
  5. Step 5: Solve for x
    x = 333,777,887.65/22,415.48
  6. Step 6: Final answer
    x = 14,890.51

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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.