Home / 25,860.54-38,783.31-11,813.10

Finding the Fourth Proportional to 25,860.54, 38,783.31 and 11,813.10

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Solution

The fourth proportional to 25,860.54, 38,783.31 and 11,813.10 is: 17,716.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,860.54 : 38,783.31 = 11,813.10 : x
  2. Step 2: Convert to fraction form
    25,860.54/38,783.31 = 11,813.10/x
  3. Step 3: Cross multiply
    25,860.54x = 38,783.31 × 11,813.10
  4. Step 4: Simplify right side
    25,860.54x = 458,151,119.36
  5. Step 5: Solve for x
    x = 458,151,119.36/25,860.54
  6. Step 6: Final answer
    x = 17,716.22

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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.