Home / 17,905.61-26,856.36-4,758.99

Finding the Fourth Proportional to 17,905.61, 26,856.36 and 4,758.99

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Solution

The fourth proportional to 17,905.61, 26,856.36 and 4,758.99 is: 7,137.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,905.61 : 26,856.36 = 4,758.99 : x
  2. Step 2: Convert to fraction form
    17,905.61/26,856.36 = 4,758.99/x
  3. Step 3: Cross multiply
    17,905.61x = 26,856.36 × 4,758.99
  4. Step 4: Simplify right side
    17,905.61x = 127,809,148.68
  5. Step 5: Solve for x
    x = 127,809,148.68/17,905.61
  6. Step 6: Final answer
    x = 7,137.94

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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.