Home / 12,556.14-18,828.73-4,234.60

Finding the Fourth Proportional to 12,556.14, 18,828.73 and 4,234.60

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Solution

The fourth proportional to 12,556.14, 18,828.73 and 4,234.60 is: 6,350.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,556.14 : 18,828.73 = 4,234.60 : x
  2. Step 2: Convert to fraction form
    12,556.14/18,828.73 = 4,234.60/x
  3. Step 3: Cross multiply
    12,556.14x = 18,828.73 × 4,234.60
  4. Step 4: Simplify right side
    12,556.14x = 79,732,140.06
  5. Step 5: Solve for x
    x = 79,732,140.06/12,556.14
  6. Step 6: Final answer
    x = 6,350.05

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1.5x scale

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.