Home / 14,191.45-19,584.21-7,903.83

Finding the Fourth Proportional to 14,191.45, 19,584.21 and 7,903.83

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Solution

The fourth proportional to 14,191.45, 19,584.21 and 7,903.83 is: 10,907.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,191.45 : 19,584.21 = 7,903.83 : x
  2. Step 2: Convert to fraction form
    14,191.45/19,584.21 = 7,903.83/x
  3. Step 3: Cross multiply
    14,191.45x = 19,584.21 × 7,903.83
  4. Step 4: Simplify right side
    14,191.45x = 154,790,192.75
  5. Step 5: Solve for x
    x = 154,790,192.75/14,191.45
  6. Step 6: Final answer
    x = 10,907.28

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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.