Home / 15,860.54-23,790.82-6,620.06

Finding the Fourth Proportional to 15,860.54, 23,790.82 and 6,620.06

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Solution

The fourth proportional to 15,860.54, 23,790.82 and 6,620.06 is: 9,930.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,860.54 : 23,790.82 = 6,620.06 : x
  2. Step 2: Convert to fraction form
    15,860.54/23,790.82 = 6,620.06/x
  3. Step 3: Cross multiply
    15,860.54x = 23,790.82 × 6,620.06
  4. Step 4: Simplify right side
    15,860.54x = 157,496,655.85
  5. Step 5: Solve for x
    x = 157,496,655.85/15,860.54
  6. Step 6: Final answer
    x = 9,930.09

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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.