Home / 13,676.86-20,516.10-4,317.18

Finding the Fourth Proportional to 13,676.86, 20,516.10 and 4,317.18

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Solution

The fourth proportional to 13,676.86, 20,516.10 and 4,317.18 is: 6,476.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,676.86 : 20,516.10 = 4,317.18 : x
  2. Step 2: Convert to fraction form
    13,676.86/20,516.10 = 4,317.18/x
  3. Step 3: Cross multiply
    13,676.86x = 20,516.10 × 4,317.18
  4. Step 4: Simplify right side
    13,676.86x = 88,571,696.60
  5. Step 5: Solve for x
    x = 88,571,696.60/13,676.86
  6. Step 6: Final answer
    x = 6,476.03

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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.