Home / 18,641.04-25,725.34-10,684.80

Finding the Fourth Proportional to 18,641.04, 25,725.34 and 10,684.80

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Solution

The fourth proportional to 18,641.04, 25,725.34 and 10,684.80 is: 14,745.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,641.04 : 25,725.34 = 10,684.80 : x
  2. Step 2: Convert to fraction form
    18,641.04/25,725.34 = 10,684.80/x
  3. Step 3: Cross multiply
    18,641.04x = 25,725.34 × 10,684.80
  4. Step 4: Simplify right side
    18,641.04x = 274,870,112.83
  5. Step 5: Solve for x
    x = 274,870,112.83/18,641.04
  6. Step 6: Final answer
    x = 14,745.43

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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.