Home / 22,032.61-33,090.60-13,770.61

Finding the Fourth Proportional to 22,032.61, 33,090.60 and 13,770.61

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Solution

The fourth proportional to 22,032.61, 33,090.60 and 13,770.61 is: 20,681.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,032.61 : 33,090.60 = 13,770.61 : x
  2. Step 2: Convert to fraction form
    22,032.61/33,090.60 = 13,770.61/x
  3. Step 3: Cross multiply
    22,032.61x = 33,090.60 × 13,770.61
  4. Step 4: Simplify right side
    22,032.61x = 455,677,747.27
  5. Step 5: Solve for x
    x = 455,677,747.27/22,032.61
  6. Step 6: Final answer
    x = 20,681.97

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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.