Home / 25,896.51-35,719.68-15,812.06

Finding the Fourth Proportional to 25,896.51, 35,719.68 and 15,812.06

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Solution

The fourth proportional to 25,896.51, 35,719.68 and 15,812.06 is: 21,809.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,896.51 : 35,719.68 = 15,812.06 : x
  2. Step 2: Convert to fraction form
    25,896.51/35,719.68 = 15,812.06/x
  3. Step 3: Cross multiply
    25,896.51x = 35,719.68 × 15,812.06
  4. Step 4: Simplify right side
    25,896.51x = 564,801,804.96
  5. Step 5: Solve for x
    x = 564,801,804.96/25,896.51
  6. Step 6: Final answer
    x = 21,809.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.