Home / 16,789.08-23,170.63-9,619.95

Finding the Fourth Proportional to 16,789.08, 23,170.63 and 9,619.95

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Solution

The fourth proportional to 16,789.08, 23,170.63 and 9,619.95 is: 13,276.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,789.08 : 23,170.63 = 9,619.95 : x
  2. Step 2: Convert to fraction form
    16,789.08/23,170.63 = 9,619.95/x
  3. Step 3: Cross multiply
    16,789.08x = 23,170.63 × 9,619.95
  4. Step 4: Simplify right side
    16,789.08x = 222,900,314.09
  5. Step 5: Solve for x
    x = 222,900,314.09/16,789.08
  6. Step 6: Final answer
    x = 13,276.50

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1.5x scale

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.