Home / 14,790.58-20,410.18-8,074.87

Finding the Fourth Proportional to 14,790.58, 20,410.18 and 8,074.87

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Solution

The fourth proportional to 14,790.58, 20,410.18 and 8,074.87 is: 11,142.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,790.58 : 20,410.18 = 8,074.87 : x
  2. Step 2: Convert to fraction form
    14,790.58/20,410.18 = 8,074.87/x
  3. Step 3: Cross multiply
    14,790.58x = 20,410.18 × 8,074.87
  4. Step 4: Simplify right side
    14,790.58x = 164,809,478.96
  5. Step 5: Solve for x
    x = 164,809,478.96/14,790.58
  6. Step 6: Final answer
    x = 11,142.87

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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.