Home / 13,899.27-19,181.22-7,611.24

Finding the Fourth Proportional to 13,899.27, 19,181.22 and 7,611.24

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Solution

The fourth proportional to 13,899.27, 19,181.22 and 7,611.24 is: 10,503.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,899.27 : 19,181.22 = 7,611.24 : x
  2. Step 2: Convert to fraction form
    13,899.27/19,181.22 = 7,611.24/x
  3. Step 3: Cross multiply
    13,899.27x = 19,181.22 × 7,611.24
  4. Step 4: Simplify right side
    13,899.27x = 145,992,868.91
  5. Step 5: Solve for x
    x = 145,992,868.91/13,899.27
  6. Step 6: Final answer
    x = 10,503.64

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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.