Home / 27,694.08-38,219.28-18,255.84

Finding the Fourth Proportional to 27,694.08, 38,219.28 and 18,255.84

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Solution

The fourth proportional to 27,694.08, 38,219.28 and 18,255.84 is: 25,194.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,694.08 : 38,219.28 = 18,255.84 : x
  2. Step 2: Convert to fraction form
    27,694.08/38,219.28 = 18,255.84/x
  3. Step 3: Cross multiply
    27,694.08x = 38,219.28 × 18,255.84
  4. Step 4: Simplify right side
    27,694.08x = 697,725,060.60
  5. Step 5: Solve for x
    x = 697,725,060.60/27,694.08
  6. Step 6: Final answer
    x = 25,194.01

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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.