Home / 13,898.25-19,179.99-7,611.03

Finding the Fourth Proportional to 13,898.25, 19,179.99 and 7,611.03

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Solution

The fourth proportional to 13,898.25, 19,179.99 and 7,611.03 is: 10,503.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,898.25 : 19,179.99 = 7,611.03 : x
  2. Step 2: Convert to fraction form
    13,898.25/19,179.99 = 7,611.03/x
  3. Step 3: Cross multiply
    13,898.25x = 19,179.99 × 7,611.03
  4. Step 4: Simplify right side
    13,898.25x = 145,979,479.29
  5. Step 5: Solve for x
    x = 145,979,479.29/13,898.25
  6. Step 6: Final answer
    x = 10,503.44

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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.