Home / 18,848.46-28,405.06-16,976.69

Finding the Fourth Proportional to 18,848.46, 28,405.06 and 16,976.69

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Solution

The fourth proportional to 18,848.46, 28,405.06 and 16,976.69 is: 25,584.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,848.46 : 28,405.06 = 16,976.69 : x
  2. Step 2: Convert to fraction form
    18,848.46/28,405.06 = 16,976.69/x
  3. Step 3: Cross multiply
    18,848.46x = 28,405.06 × 16,976.69
  4. Step 4: Simplify right side
    18,848.46x = 482,223,947.84
  5. Step 5: Solve for x
    x = 482,223,947.84/18,848.46
  6. Step 6: Final answer
    x = 25,584.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.