Home / 13,010.22-17,954.16-7,345.20

Finding the Fourth Proportional to 13,010.22, 17,954.16 and 7,345.20

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Solution

The fourth proportional to 13,010.22, 17,954.16 and 7,345.20 is: 10,136.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,010.22 : 17,954.16 = 7,345.20 : x
  2. Step 2: Convert to fraction form
    13,010.22/17,954.16 = 7,345.20/x
  3. Step 3: Cross multiply
    13,010.22x = 17,954.16 × 7,345.20
  4. Step 4: Simplify right side
    13,010.22x = 131,876,896.03
  5. Step 5: Solve for x
    x = 131,876,896.03/13,010.22
  6. Step 6: Final answer
    x = 10,136.41

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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.