Home / 27,694.19-38,214.63-15,754.25

Finding the Fourth Proportional to 27,694.19, 38,214.63 and 15,754.25

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Solution

The fourth proportional to 27,694.19, 38,214.63 and 15,754.25 is: 21,738.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,694.19 : 38,214.63 = 15,754.25 : x
  2. Step 2: Convert to fraction form
    27,694.19/38,214.63 = 15,754.25/x
  3. Step 3: Cross multiply
    27,694.19x = 38,214.63 × 15,754.25
  4. Step 4: Simplify right side
    27,694.19x = 602,042,643.60
  5. Step 5: Solve for x
    x = 602,042,643.60/27,694.19
  6. Step 6: Final answer
    x = 21,738.96

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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.