Home / 14,790.42-20,408.58-8,501.58

Finding the Fourth Proportional to 14,790.42, 20,408.58 and 8,501.58

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Solution

The fourth proportional to 14,790.42, 20,408.58 and 8,501.58 is: 11,730.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,790.42 : 20,408.58 = 8,501.58 : x
  2. Step 2: Convert to fraction form
    14,790.42/20,408.58 = 8,501.58/x
  3. Step 3: Cross multiply
    14,790.42x = 20,408.58 × 8,501.58
  4. Step 4: Simplify right side
    14,790.42x = 173,505,175.56
  5. Step 5: Solve for x
    x = 173,505,175.56/14,790.42
  6. Step 6: Final answer
    x = 11,730.92

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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.