Home / 19,629.40-27,084.88-11,673.60

Finding the Fourth Proportional to 19,629.40, 27,084.88 and 11,673.60

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Solution

The fourth proportional to 19,629.40, 27,084.88 and 11,673.60 is: 16,107.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,629.40 : 27,084.88 = 11,673.60 : x
  2. Step 2: Convert to fraction form
    19,629.40/27,084.88 = 11,673.60/x
  3. Step 3: Cross multiply
    19,629.40x = 27,084.88 × 11,673.60
  4. Step 4: Simplify right side
    19,629.40x = 316,178,055.17
  5. Step 5: Solve for x
    x = 316,178,055.17/19,629.40
  6. Step 6: Final answer
    x = 16,107.37

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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.