Home / 14,147.67-19,525.26-7,860.04

Finding the Fourth Proportional to 14,147.67, 19,525.26 and 7,860.04

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Solution

The fourth proportional to 14,147.67, 19,525.26 and 7,860.04 is: 10,847.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,147.67 : 19,525.26 = 7,860.04 : x
  2. Step 2: Convert to fraction form
    14,147.67/19,525.26 = 7,860.04/x
  3. Step 3: Cross multiply
    14,147.67x = 19,525.26 × 7,860.04
  4. Step 4: Simplify right side
    14,147.67x = 153,469,324.61
  5. Step 5: Solve for x
    x = 153,469,324.61/14,147.67
  6. Step 6: Final answer
    x = 10,847.67

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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.