Home / 13,026.82-19,540.14-3,166.12

Finding the Fourth Proportional to 13,026.82, 19,540.14 and 3,166.12

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Solution

The fourth proportional to 13,026.82, 19,540.14 and 3,166.12 is: 4,749.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,026.82 : 19,540.14 = 3,166.12 : x
  2. Step 2: Convert to fraction form
    13,026.82/19,540.14 = 3,166.12/x
  3. Step 3: Cross multiply
    13,026.82x = 19,540.14 × 3,166.12
  4. Step 4: Simplify right side
    13,026.82x = 61,866,428.06
  5. Step 5: Solve for x
    x = 61,866,428.06/13,026.82
  6. Step 6: Final answer
    x = 4,749.16

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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.