Home / 13,804.80-19,076.46-11,285.95

Finding the Fourth Proportional to 13,804.80, 19,076.46 and 11,285.95

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Solution

The fourth proportional to 13,804.80, 19,076.46 and 11,285.95 is: 15,595.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,804.80 : 19,076.46 = 11,285.95 : x
  2. Step 2: Convert to fraction form
    13,804.80/19,076.46 = 11,285.95/x
  3. Step 3: Cross multiply
    13,804.80x = 19,076.46 × 11,285.95
  4. Step 4: Simplify right side
    13,804.80x = 215,295,982.98
  5. Step 5: Solve for x
    x = 215,295,982.98/13,804.80
  6. Step 6: Final answer
    x = 15,595.74

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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.