Home / 16,429.12-24,640.08-4,739.80

Finding the Fourth Proportional to 16,429.12, 24,640.08 and 4,739.80

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Solution

The fourth proportional to 16,429.12, 24,640.08 and 4,739.80 is: 7,108.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,429.12 : 24,640.08 = 4,739.80 : x
  2. Step 2: Convert to fraction form
    16,429.12/24,640.08 = 4,739.80/x
  3. Step 3: Cross multiply
    16,429.12x = 24,640.08 × 4,739.80
  4. Step 4: Simplify right side
    16,429.12x = 116,789,051.18
  5. Step 5: Solve for x
    x = 116,789,051.18/16,429.12
  6. Step 6: Final answer
    x = 7,108.66

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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.