Home / 16,477.20-24,720.01-4,790.42

Finding the Fourth Proportional to 16,477.20, 24,720.01 and 4,790.42

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Solution

The fourth proportional to 16,477.20, 24,720.01 and 4,790.42 is: 7,186.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,477.20 : 24,720.01 = 4,790.42 : x
  2. Step 2: Convert to fraction form
    16,477.20/24,720.01 = 4,790.42/x
  3. Step 3: Cross multiply
    16,477.20x = 24,720.01 × 4,790.42
  4. Step 4: Simplify right side
    16,477.20x = 118,419,094.73
  5. Step 5: Solve for x
    x = 118,419,094.73/16,477.20
  6. Step 6: Final answer
    x = 7,186.85

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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.