Home / 20,558.48-30,795.94-16,405.52

Finding the Fourth Proportional to 20,558.48, 30,795.94 and 16,405.52

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Solution

The fourth proportional to 20,558.48, 30,795.94 and 16,405.52 is: 24,574.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,558.48 : 30,795.94 = 16,405.52 : x
  2. Step 2: Convert to fraction form
    20,558.48/30,795.94 = 16,405.52/x
  3. Step 3: Cross multiply
    20,558.48x = 30,795.94 × 16,405.52
  4. Step 4: Simplify right side
    20,558.48x = 505,223,409.59
  5. Step 5: Solve for x
    x = 505,223,409.59/20,558.48
  6. Step 6: Final answer
    x = 24,574.94

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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.