Home / 16,478.13-24,719.67-4,789.83

Finding the Fourth Proportional to 16,478.13, 24,719.67 and 4,789.83

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Solution

The fourth proportional to 16,478.13, 24,719.67 and 4,789.83 is: 7,185.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,478.13 : 24,719.67 = 4,789.83 : x
  2. Step 2: Convert to fraction form
    16,478.13/24,719.67 = 4,789.83/x
  3. Step 3: Cross multiply
    16,478.13x = 24,719.67 × 4,789.83
  4. Step 4: Simplify right side
    16,478.13x = 118,403,016.96
  5. Step 5: Solve for x
    x = 118,403,016.96/16,478.13
  6. Step 6: Final answer
    x = 7,185.46

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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.