Home / 18,556.36-27,834.18-4,705

Finding the Fourth Proportional to 18,556.36, 27,834.18 and 4,705

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Solution

The fourth proportional to 18,556.36, 27,834.18 and 4,705 is: 7,057.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,556.36 : 27,834.18 = 4,705 : x
  2. Step 2: Convert to fraction form
    18,556.36/27,834.18 = 4,705/x
  3. Step 3: Cross multiply
    18,556.36x = 27,834.18 × 4,705
  4. Step 4: Simplify right side
    18,556.36x = 130,959,816.90
  5. Step 5: Solve for x
    x = 130,959,816.90/18,556.36
  6. Step 6: Final answer
    x = 7,057.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.