Home / 25,954.11-38,955.38-13,313.36

Finding the Fourth Proportional to 25,954.11, 38,955.38 and 13,313.36

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Solution

The fourth proportional to 25,954.11, 38,955.38 and 13,313.36 is: 19,982.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,954.11 : 38,955.38 = 13,313.36 : x
  2. Step 2: Convert to fraction form
    25,954.11/38,955.38 = 13,313.36/x
  3. Step 3: Cross multiply
    25,954.11x = 38,955.38 × 13,313.36
  4. Step 4: Simplify right side
    25,954.11x = 518,626,997.88
  5. Step 5: Solve for x
    x = 518,626,997.88/25,954.11
  6. Step 6: Final answer
    x = 19,982.46

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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.