Home / 15,090.27-22,619.00-7,684.53

Finding the Fourth Proportional to 15,090.27, 22,619.00 and 7,684.53

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Solution

The fourth proportional to 15,090.27, 22,619.00 and 7,684.53 is: 11,518.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,090.27 : 22,619.00 = 7,684.53 : x
  2. Step 2: Convert to fraction form
    15,090.27/22,619.00 = 7,684.53/x
  3. Step 3: Cross multiply
    15,090.27x = 22,619.00 × 7,684.53
  4. Step 4: Simplify right side
    15,090.27x = 173,816,345.65
  5. Step 5: Solve for x
    x = 173,816,345.65/15,090.27
  6. Step 6: Final answer
    x = 11,518.44

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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.