Home / 27,812.97-38,370.87-17,184.15

Finding the Fourth Proportional to 27,812.97, 38,370.87 and 17,184.15

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Solution

The fourth proportional to 27,812.97, 38,370.87 and 17,184.15 is: 23,707.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,812.97 : 38,370.87 = 17,184.15 : x
  2. Step 2: Convert to fraction form
    27,812.97/38,370.87 = 17,184.15/x
  3. Step 3: Cross multiply
    27,812.97x = 38,370.87 × 17,184.15
  4. Step 4: Simplify right side
    27,812.97x = 659,370,785.71
  5. Step 5: Solve for x
    x = 659,370,785.71/27,812.97
  6. Step 6: Final answer
    x = 23,707.31

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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.