Home / 13,898.89-19,180.52-7,611.27

Finding the Fourth Proportional to 13,898.89, 19,180.52 and 7,611.27

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Solution

The fourth proportional to 13,898.89, 19,180.52 and 7,611.27 is: 10,503.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,898.89 : 19,180.52 = 7,611.27 : x
  2. Step 2: Convert to fraction form
    13,898.89/19,180.52 = 7,611.27/x
  3. Step 3: Cross multiply
    13,898.89x = 19,180.52 × 7,611.27
  4. Step 4: Simplify right side
    13,898.89x = 145,987,982.50
  5. Step 5: Solve for x
    x = 145,987,982.50/13,898.89
  6. Step 6: Final answer
    x = 10,503.57

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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.