Home / 17,905.62-26,856.54-4,759.32

Finding the Fourth Proportional to 17,905.62, 26,856.54 and 4,759.32

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Solution

The fourth proportional to 17,905.62, 26,856.54 and 4,759.32 is: 7,138.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,905.62 : 26,856.54 = 4,759.32 : x
  2. Step 2: Convert to fraction form
    17,905.62/26,856.54 = 4,759.32/x
  3. Step 3: Cross multiply
    17,905.62x = 26,856.54 × 4,759.32
  4. Step 4: Simplify right side
    17,905.62x = 127,818,867.95
  5. Step 5: Solve for x
    x = 127,818,867.95/17,905.62
  6. Step 6: Final answer
    x = 7,138.48

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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.