Home / 13,224.48-18,252.94-8,982.60

Finding the Fourth Proportional to 13,224.48, 18,252.94 and 8,982.60

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Solution

The fourth proportional to 13,224.48, 18,252.94 and 8,982.60 is: 12,398.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,224.48 : 18,252.94 = 8,982.60 : x
  2. Step 2: Convert to fraction form
    13,224.48/18,252.94 = 8,982.60/x
  3. Step 3: Cross multiply
    13,224.48x = 18,252.94 × 8,982.60
  4. Step 4: Simplify right side
    13,224.48x = 163,958,858.84
  5. Step 5: Solve for x
    x = 163,958,858.84/13,224.48
  6. Step 6: Final answer
    x = 12,398.13

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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.