Home / 13,162.65-19,745.01-4,397.60

Finding the Fourth Proportional to 13,162.65, 19,745.01 and 4,397.60

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Solution

The fourth proportional to 13,162.65, 19,745.01 and 4,397.60 is: 6,596.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,162.65 : 19,745.01 = 4,397.60 : x
  2. Step 2: Convert to fraction form
    13,162.65/19,745.01 = 4,397.60/x
  3. Step 3: Cross multiply
    13,162.65x = 19,745.01 × 4,397.60
  4. Step 4: Simplify right side
    13,162.65x = 86,830,557.25
  5. Step 5: Solve for x
    x = 86,830,557.25/13,162.65
  6. Step 6: Final answer
    x = 6,596.74

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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.