Home / 18,611.10-25,683.42-10,113.29

Finding the Fourth Proportional to 18,611.10, 25,683.42 and 10,113.29

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Solution

The fourth proportional to 18,611.10, 25,683.42 and 10,113.29 is: 13,956.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,611.10 : 25,683.42 = 10,113.29 : x
  2. Step 2: Convert to fraction form
    18,611.10/25,683.42 = 10,113.29/x
  3. Step 3: Cross multiply
    18,611.10x = 25,683.42 × 10,113.29
  4. Step 4: Simplify right side
    18,611.10x = 259,743,746.23
  5. Step 5: Solve for x
    x = 259,743,746.23/18,611.10
  6. Step 6: Final answer
    x = 13,956.39

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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.