Home / 13,971.11-20,956.43-4,611.74

Finding the Fourth Proportional to 13,971.11, 20,956.43 and 4,611.74

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Solution

The fourth proportional to 13,971.11, 20,956.43 and 4,611.74 is: 6,917.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,971.11 : 20,956.43 = 4,611.74 : x
  2. Step 2: Convert to fraction form
    13,971.11/20,956.43 = 4,611.74/x
  3. Step 3: Cross multiply
    13,971.11x = 20,956.43 × 4,611.74
  4. Step 4: Simplify right side
    13,971.11x = 96,645,513.24
  5. Step 5: Solve for x
    x = 96,645,513.24/13,971.11
  6. Step 6: Final answer
    x = 6,917.53

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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.