Home / 19,971.76-27,562.26-11,476.60

Finding the Fourth Proportional to 19,971.76, 27,562.26 and 11,476.60

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Solution

The fourth proportional to 19,971.76, 27,562.26 and 11,476.60 is: 15,838.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,971.76 : 27,562.26 = 11,476.60 : x
  2. Step 2: Convert to fraction form
    19,971.76/27,562.26 = 11,476.60/x
  3. Step 3: Cross multiply
    19,971.76x = 27,562.26 × 11,476.60
  4. Step 4: Simplify right side
    19,971.76x = 316,321,033.12
  5. Step 5: Solve for x
    x = 316,321,033.12/19,971.76
  6. Step 6: Final answer
    x = 15,838.42

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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.