Home / 13,180.93-19,779.19-4,866.73

Finding the Fourth Proportional to 13,180.93, 19,779.19 and 4,866.73

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Solution

The fourth proportional to 13,180.93, 19,779.19 and 4,866.73 is: 7,302.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,180.93 : 19,779.19 = 4,866.73 : x
  2. Step 2: Convert to fraction form
    13,180.93/19,779.19 = 4,866.73/x
  3. Step 3: Cross multiply
    13,180.93x = 19,779.19 × 4,866.73
  4. Step 4: Simplify right side
    13,180.93x = 96,259,977.35
  5. Step 5: Solve for x
    x = 96,259,977.35/13,180.93
  6. Step 6: Final answer
    x = 7,302.97

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1.5x scale

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.