Home / 19,166.52-28,745.46-5,316.60

Finding the Fourth Proportional to 19,166.52, 28,745.46 and 5,316.60

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Solution

The fourth proportional to 19,166.52, 28,745.46 and 5,316.60 is: 7,973.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,166.52 : 28,745.46 = 5,316.60 : x
  2. Step 2: Convert to fraction form
    19,166.52/28,745.46 = 5,316.60/x
  3. Step 3: Cross multiply
    19,166.52x = 28,745.46 × 5,316.60
  4. Step 4: Simplify right side
    19,166.52x = 152,828,112.64
  5. Step 5: Solve for x
    x = 152,828,112.64/19,166.52
  6. Step 6: Final answer
    x = 7,973.70

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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.