Home / 13,021.36-17,950.64-8,537.33

Finding the Fourth Proportional to 13,021.36, 17,950.64 and 8,537.33

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Solution

The fourth proportional to 13,021.36, 17,950.64 and 8,537.33 is: 11,769.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,021.36 : 17,950.64 = 8,537.33 : x
  2. Step 2: Convert to fraction form
    13,021.36/17,950.64 = 8,537.33/x
  3. Step 3: Cross multiply
    13,021.36x = 17,950.64 × 8,537.33
  4. Step 4: Simplify right side
    13,021.36x = 153,250,539.58
  5. Step 5: Solve for x
    x = 153,250,539.58/13,021.36
  6. Step 6: Final answer
    x = 11,769.17

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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.