Home / 27,107.04-37,356.84-18,611.76

Finding the Fourth Proportional to 27,107.04, 37,356.84 and 18,611.76

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Solution

The fourth proportional to 27,107.04, 37,356.84 and 18,611.76 is: 25,649.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,107.04 : 37,356.84 = 18,611.76 : x
  2. Step 2: Convert to fraction form
    27,107.04/37,356.84 = 18,611.76/x
  3. Step 3: Cross multiply
    27,107.04x = 37,356.84 × 18,611.76
  4. Step 4: Simplify right side
    27,107.04x = 695,276,540.44
  5. Step 5: Solve for x
    x = 695,276,540.44/27,107.04
  6. Step 6: Final answer
    x = 25,649.30

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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.