Home / 27,102.97-37,403.66-15,166.20

Finding the Fourth Proportional to 27,102.97, 37,403.66 and 15,166.20

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Solution

The fourth proportional to 27,102.97, 37,403.66 and 15,166.20 is: 20,930.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,102.97 : 37,403.66 = 15,166.20 : x
  2. Step 2: Convert to fraction form
    27,102.97/37,403.66 = 15,166.20/x
  3. Step 3: Cross multiply
    27,102.97x = 37,403.66 × 15,166.20
  4. Step 4: Simplify right side
    27,102.97x = 567,271,426.21
  5. Step 5: Solve for x
    x = 567,271,426.21/27,102.97
  6. Step 6: Final answer
    x = 20,930.23

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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.