Home / 18,194.02-25,109.49-11,392.85

Finding the Fourth Proportional to 18,194.02, 25,109.49 and 11,392.85

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Solution

The fourth proportional to 18,194.02, 25,109.49 and 11,392.85 is: 15,723.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,194.02 : 25,109.49 = 11,392.85 : x
  2. Step 2: Convert to fraction form
    18,194.02/25,109.49 = 11,392.85/x
  3. Step 3: Cross multiply
    18,194.02x = 25,109.49 × 11,392.85
  4. Step 4: Simplify right side
    18,194.02x = 286,068,758.64
  5. Step 5: Solve for x
    x = 286,068,758.64/18,194.02
  6. Step 6: Final answer
    x = 15,723.23

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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.