Home / 25,394.12-35,039.72-15,956

Finding the Fourth Proportional to 25,394.12, 35,039.72 and 15,956

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Solution

The fourth proportional to 25,394.12, 35,039.72 and 15,956 is: 22,016.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,394.12 : 35,039.72 = 15,956 : x
  2. Step 2: Convert to fraction form
    25,394.12/35,039.72 = 15,956/x
  3. Step 3: Cross multiply
    25,394.12x = 35,039.72 × 15,956
  4. Step 4: Simplify right side
    25,394.12x = 559,093,772.32
  5. Step 5: Solve for x
    x = 559,093,772.32/25,394.12
  6. Step 6: Final answer
    x = 22,016.66

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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.