Home / 17,856.48-26,786.88-8,616

Finding the Fourth Proportional to 17,856.48, 26,786.88 and 8,616

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Solution

The fourth proportional to 17,856.48, 26,786.88 and 8,616 is: 12,925.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,856.48 : 26,786.88 = 8,616 : x
  2. Step 2: Convert to fraction form
    17,856.48/26,786.88 = 8,616/x
  3. Step 3: Cross multiply
    17,856.48x = 26,786.88 × 8,616
  4. Step 4: Simplify right side
    17,856.48x = 230,795,758.08
  5. Step 5: Solve for x
    x = 230,795,758.08/17,856.48
  6. Step 6: Final answer
    x = 12,925.04

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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.