Home / 13,950.06-19,250.37-7,661.22

Finding the Fourth Proportional to 13,950.06, 19,250.37 and 7,661.22

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Solution

The fourth proportional to 13,950.06, 19,250.37 and 7,661.22 is: 10,572.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,950.06 : 19,250.37 = 7,661.22 : x
  2. Step 2: Convert to fraction form
    13,950.06/19,250.37 = 7,661.22/x
  3. Step 3: Cross multiply
    13,950.06x = 19,250.37 × 7,661.22
  4. Step 4: Simplify right side
    13,950.06x = 147,481,319.65
  5. Step 5: Solve for x
    x = 147,481,319.65/13,950.06
  6. Step 6: Final answer
    x = 10,572.09

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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.