Home / 16,675.20-25,009.74-5,580.54

Finding the Fourth Proportional to 16,675.20, 25,009.74 and 5,580.54

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Solution

The fourth proportional to 16,675.20, 25,009.74 and 5,580.54 is: 8,369.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,675.20 : 25,009.74 = 5,580.54 : x
  2. Step 2: Convert to fraction form
    16,675.20/25,009.74 = 5,580.54/x
  3. Step 3: Cross multiply
    16,675.20x = 25,009.74 × 5,580.54
  4. Step 4: Simplify right side
    16,675.20x = 139,567,854.46
  5. Step 5: Solve for x
    x = 139,567,854.46/16,675.20
  6. Step 6: Final answer
    x = 8,369.79

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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.