Home / 13,164.33-18,171.09-10,480.49

Finding the Fourth Proportional to 13,164.33, 18,171.09 and 10,480.49

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Solution

The fourth proportional to 13,164.33, 18,171.09 and 10,480.49 is: 14,466.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,164.33 : 18,171.09 = 10,480.49 : x
  2. Step 2: Convert to fraction form
    13,164.33/18,171.09 = 10,480.49/x
  3. Step 3: Cross multiply
    13,164.33x = 18,171.09 × 10,480.49
  4. Step 4: Simplify right side
    13,164.33x = 190,441,836.18
  5. Step 5: Solve for x
    x = 190,441,836.18/13,164.33
  6. Step 6: Final answer
    x = 14,466.50

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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.