Home / 25,611.39-38,421.14-10,822.41

Finding the Fourth Proportional to 25,611.39, 38,421.14 and 10,822.41

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Solution

The fourth proportional to 25,611.39, 38,421.14 and 10,822.41 is: 16,235.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,611.39 : 38,421.14 = 10,822.41 : x
  2. Step 2: Convert to fraction form
    25,611.39/38,421.14 = 10,822.41/x
  3. Step 3: Cross multiply
    25,611.39x = 38,421.14 × 10,822.41
  4. Step 4: Simplify right side
    25,611.39x = 415,809,275.64
  5. Step 5: Solve for x
    x = 415,809,275.64/25,611.39
  6. Step 6: Final answer
    x = 16,235.33

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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.