Home / 25,629.16-38,449.38-7,862.26

Finding the Fourth Proportional to 25,629.16, 38,449.38 and 7,862.26

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Solution

The fourth proportional to 25,629.16, 38,449.38 and 7,862.26 is: 11,795.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,629.16 : 38,449.38 = 7,862.26 : x
  2. Step 2: Convert to fraction form
    25,629.16/38,449.38 = 7,862.26/x
  3. Step 3: Cross multiply
    25,629.16x = 38,449.38 × 7,862.26
  4. Step 4: Simplify right side
    25,629.16x = 302,298,983.09
  5. Step 5: Solve for x
    x = 302,298,983.09/25,629.16
  6. Step 6: Final answer
    x = 11,795.12

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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.