Home / 13,796.78-19,043.58-9,017.42

Finding the Fourth Proportional to 13,796.78, 19,043.58 and 9,017.42

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Solution

The fourth proportional to 13,796.78, 19,043.58 and 9,017.42 is: 12,446.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,796.78 : 19,043.58 = 9,017.42 : x
  2. Step 2: Convert to fraction form
    13,796.78/19,043.58 = 9,017.42/x
  3. Step 3: Cross multiply
    13,796.78x = 19,043.58 × 9,017.42
  4. Step 4: Simplify right side
    13,796.78x = 171,723,863.95
  5. Step 5: Solve for x
    x = 171,723,863.95/13,796.78
  6. Step 6: Final answer
    x = 12,446.67

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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.