Home / 13,894.80-19,173.58-8,228.52

Finding the Fourth Proportional to 13,894.80, 19,173.58 and 8,228.52

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Solution

The fourth proportional to 13,894.80, 19,173.58 and 8,228.52 is: 11,354.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,894.80 : 19,173.58 = 8,228.52 : x
  2. Step 2: Convert to fraction form
    13,894.80/19,173.58 = 8,228.52/x
  3. Step 3: Cross multiply
    13,894.80x = 19,173.58 × 8,228.52
  4. Step 4: Simplify right side
    13,894.80x = 157,770,186.50
  5. Step 5: Solve for x
    x = 157,770,186.50/13,894.80
  6. Step 6: Final answer
    x = 11,354.62

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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.