Home / 14,820.96-20,452.63-8,106.57

Finding the Fourth Proportional to 14,820.96, 20,452.63 and 8,106.57

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Solution

The fourth proportional to 14,820.96, 20,452.63 and 8,106.57 is: 11,186.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,820.96 : 20,452.63 = 8,106.57 : x
  2. Step 2: Convert to fraction form
    14,820.96/20,452.63 = 8,106.57/x
  3. Step 3: Cross multiply
    14,820.96x = 20,452.63 × 8,106.57
  4. Step 4: Simplify right side
    14,820.96x = 165,800,676.78
  5. Step 5: Solve for x
    x = 165,800,676.78/14,820.96
  6. Step 6: Final answer
    x = 11,186.91

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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.