Home / 18,623.44-25,700.52-10,240

Finding the Fourth Proportional to 18,623.44, 25,700.52 and 10,240

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Solution

The fourth proportional to 18,623.44, 25,700.52 and 10,240 is: 14,131.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,623.44 : 25,700.52 = 10,240 : x
  2. Step 2: Convert to fraction form
    18,623.44/25,700.52 = 10,240/x
  3. Step 3: Cross multiply
    18,623.44x = 25,700.52 × 10,240
  4. Step 4: Simplify right side
    18,623.44x = 263,173,324.80
  5. Step 5: Solve for x
    x = 263,173,324.80/18,623.44
  6. Step 6: Final answer
    x = 14,131.30

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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.