Home / 13,191-19,784.34-9,283.56

Finding the Fourth Proportional to 13,191, 19,784.34 and 9,283.56

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Solution

The fourth proportional to 13,191, 19,784.34 and 9,283.56 is: 13,923.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,191 : 19,784.34 = 9,283.56 : x
  2. Step 2: Convert to fraction form
    13,191/19,784.34 = 9,283.56/x
  3. Step 3: Cross multiply
    13,191x = 19,784.34 × 9,283.56
  4. Step 4: Simplify right side
    13,191x = 183,669,107.45
  5. Step 5: Solve for x
    x = 183,669,107.45/13,191
  6. Step 6: Final answer
    x = 13,923.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.