Home / 14,148.46-19,527.69-8,179.84

Finding the Fourth Proportional to 14,148.46, 19,527.69 and 8,179.84

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Solution

The fourth proportional to 14,148.46, 19,527.69 and 8,179.84 is: 11,289.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.46 : 19,527.69 = 8,179.84 : x
  2. Step 2: Convert to fraction form
    14,148.46/19,527.69 = 8,179.84/x
  3. Step 3: Cross multiply
    14,148.46x = 19,527.69 × 8,179.84
  4. Step 4: Simplify right side
    14,148.46x = 159,733,379.77
  5. Step 5: Solve for x
    x = 159,733,379.77/14,148.46
  6. Step 6: Final answer
    x = 11,289.81

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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.