Home / 13,961.50-19,266.87-7,673.88

Finding the Fourth Proportional to 13,961.50, 19,266.87 and 7,673.88

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Solution

The fourth proportional to 13,961.50, 19,266.87 and 7,673.88 is: 10,589.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961.50 : 19,266.87 = 7,673.88 : x
  2. Step 2: Convert to fraction form
    13,961.50/19,266.87 = 7,673.88/x
  3. Step 3: Cross multiply
    13,961.50x = 19,266.87 × 7,673.88
  4. Step 4: Simplify right side
    13,961.50x = 147,851,648.36
  5. Step 5: Solve for x
    x = 147,851,648.36/13,961.50
  6. Step 6: Final answer
    x = 10,589.95

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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.