Home / 25,663.23-38,478.24-16,871.49

Finding the Fourth Proportional to 25,663.23, 38,478.24 and 16,871.49

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Solution

The fourth proportional to 25,663.23, 38,478.24 and 16,871.49 is: 25,296.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,663.23 : 38,478.24 = 16,871.49 : x
  2. Step 2: Convert to fraction form
    25,663.23/38,478.24 = 16,871.49/x
  3. Step 3: Cross multiply
    25,663.23x = 38,478.24 × 16,871.49
  4. Step 4: Simplify right side
    25,663.23x = 649,185,241.38
  5. Step 5: Solve for x
    x = 649,185,241.38/25,663.23
  6. Step 6: Final answer
    x = 25,296.32

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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.