Home / 13,969.06-19,277.43-8,000.60

Finding the Fourth Proportional to 13,969.06, 19,277.43 and 8,000.60

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Solution

The fourth proportional to 13,969.06, 19,277.43 and 8,000.60 is: 11,040.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,969.06 : 19,277.43 = 8,000.60 : x
  2. Step 2: Convert to fraction form
    13,969.06/19,277.43 = 8,000.60/x
  3. Step 3: Cross multiply
    13,969.06x = 19,277.43 × 8,000.60
  4. Step 4: Simplify right side
    13,969.06x = 154,231,001.79
  5. Step 5: Solve for x
    x = 154,231,001.79/13,969.06
  6. Step 6: Final answer
    x = 11,040.90

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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.