Home / 14,516.21-21,783.35-7,849.94

Finding the Fourth Proportional to 14,516.21, 21,783.35 and 7,849.94

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Solution

The fourth proportional to 14,516.21, 21,783.35 and 7,849.94 is: 11,779.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,516.21 : 21,783.35 = 7,849.94 : x
  2. Step 2: Convert to fraction form
    14,516.21/21,783.35 = 7,849.94/x
  3. Step 3: Cross multiply
    14,516.21x = 21,783.35 × 7,849.94
  4. Step 4: Simplify right side
    14,516.21x = 170,998,052.08
  5. Step 5: Solve for x
    x = 170,998,052.08/14,516.21
  6. Step 6: Final answer
    x = 11,779.80

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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.