Home / 13,950.24-21,021.33-11,539.32

Finding the Fourth Proportional to 13,950.24, 21,021.33 and 11,539.32

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Solution

The fourth proportional to 13,950.24, 21,021.33 and 11,539.32 is: 17,388.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,950.24 : 21,021.33 = 11,539.32 : x
  2. Step 2: Convert to fraction form
    13,950.24/21,021.33 = 11,539.32/x
  3. Step 3: Cross multiply
    13,950.24x = 21,021.33 × 11,539.32
  4. Step 4: Simplify right side
    13,950.24x = 242,571,853.70
  5. Step 5: Solve for x
    x = 242,571,853.70/13,950.24
  6. Step 6: Final answer
    x = 17,388.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.