Home / 14,209.80-19,609.19-8,907.54

Finding the Fourth Proportional to 14,209.80, 19,609.19 and 8,907.54

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Solution

The fourth proportional to 14,209.80, 19,609.19 and 8,907.54 is: 12,292.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,209.80 : 19,609.19 = 8,907.54 : x
  2. Step 2: Convert to fraction form
    14,209.80/19,609.19 = 8,907.54/x
  3. Step 3: Cross multiply
    14,209.80x = 19,609.19 × 8,907.54
  4. Step 4: Simplify right side
    14,209.80x = 174,669,559.62
  5. Step 5: Solve for x
    x = 174,669,559.62/14,209.80
  6. Step 6: Final answer
    x = 12,292.19

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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.