Home / 13,971.32-20,954.82-4,611.50

Finding the Fourth Proportional to 13,971.32, 20,954.82 and 4,611.50

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Solution

The fourth proportional to 13,971.32, 20,954.82 and 4,611.50 is: 6,916.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,971.32 : 20,954.82 = 4,611.50 : x
  2. Step 2: Convert to fraction form
    13,971.32/20,954.82 = 4,611.50/x
  3. Step 3: Cross multiply
    13,971.32x = 20,954.82 × 4,611.50
  4. Step 4: Simplify right side
    13,971.32x = 96,633,152.43
  5. Step 5: Solve for x
    x = 96,633,152.43/13,971.32
  6. Step 6: Final answer
    x = 6,916.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.