Home / 13,235.24-19,822.37-7,958.67

Finding the Fourth Proportional to 13,235.24, 19,822.37 and 7,958.67

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Solution

The fourth proportional to 13,235.24, 19,822.37 and 7,958.67 is: 11,919.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,235.24 : 19,822.37 = 7,958.67 : x
  2. Step 2: Convert to fraction form
    13,235.24/19,822.37 = 7,958.67/x
  3. Step 3: Cross multiply
    13,235.24x = 19,822.37 × 7,958.67
  4. Step 4: Simplify right side
    13,235.24x = 157,759,661.65
  5. Step 5: Solve for x
    x = 157,759,661.65/13,235.24
  6. Step 6: Final answer
    x = 11,919.67

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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.