Home / 17,195.12-23,739.96-13,208.30

Finding the Fourth Proportional to 17,195.12, 23,739.96 and 13,208.30

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Solution

The fourth proportional to 17,195.12, 23,739.96 and 13,208.30 is: 18,235.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,195.12 : 23,739.96 = 13,208.30 : x
  2. Step 2: Convert to fraction form
    17,195.12/23,739.96 = 13,208.30/x
  3. Step 3: Cross multiply
    17,195.12x = 23,739.96 × 13,208.30
  4. Step 4: Simplify right side
    17,195.12x = 313,564,513.67
  5. Step 5: Solve for x
    x = 313,564,513.67/17,195.12
  6. Step 6: Final answer
    x = 18,235.67

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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.