Home / 16,254.86-24,379.80-5,160.10

Finding the Fourth Proportional to 16,254.86, 24,379.80 and 5,160.10

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Solution

The fourth proportional to 16,254.86, 24,379.80 and 5,160.10 is: 7,739.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,254.86 : 24,379.80 = 5,160.10 : x
  2. Step 2: Convert to fraction form
    16,254.86/24,379.80 = 5,160.10/x
  3. Step 3: Cross multiply
    16,254.86x = 24,379.80 × 5,160.10
  4. Step 4: Simplify right side
    16,254.86x = 125,802,205.98
  5. Step 5: Solve for x
    x = 125,802,205.98/16,254.86
  6. Step 6: Final answer
    x = 7,739.36

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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.