Home / 25,903.67-38,771.91-13,406.54

Finding the Fourth Proportional to 25,903.67, 38,771.91 and 13,406.54

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Solution

The fourth proportional to 25,903.67, 38,771.91 and 13,406.54 is: 20,066.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,903.67 : 38,771.91 = 13,406.54 : x
  2. Step 2: Convert to fraction form
    25,903.67/38,771.91 = 13,406.54/x
  3. Step 3: Cross multiply
    25,903.67x = 38,771.91 × 13,406.54
  4. Step 4: Simplify right side
    25,903.67x = 519,796,968.43
  5. Step 5: Solve for x
    x = 519,796,968.43/25,903.67
  6. Step 6: Final answer
    x = 20,066.54

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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.