Home / 25,867.63-38,795.29-7,147.25

Finding the Fourth Proportional to 25,867.63, 38,795.29 and 7,147.25

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Solution

The fourth proportional to 25,867.63, 38,795.29 and 7,147.25 is: 10,719.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,867.63 : 38,795.29 = 7,147.25 : x
  2. Step 2: Convert to fraction form
    25,867.63/38,795.29 = 7,147.25/x
  3. Step 3: Cross multiply
    25,867.63x = 38,795.29 × 7,147.25
  4. Step 4: Simplify right side
    25,867.63x = 277,279,788.31
  5. Step 5: Solve for x
    x = 277,279,788.31/25,867.63
  6. Step 6: Final answer
    x = 10,719.18

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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.