Home / 16,849.47-23,263.08-15,078

Finding the Fourth Proportional to 16,849.47, 23,263.08 and 15,078

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Solution

The fourth proportional to 16,849.47, 23,263.08 and 15,078 is: 20,817.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,849.47 : 23,263.08 = 15,078 : x
  2. Step 2: Convert to fraction form
    16,849.47/23,263.08 = 15,078/x
  3. Step 3: Cross multiply
    16,849.47x = 23,263.08 × 15,078
  4. Step 4: Simplify right side
    16,849.47x = 350,760,720.24
  5. Step 5: Solve for x
    x = 350,760,720.24/16,849.47
  6. Step 6: Final answer
    x = 20,817.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.