Home / 21,926.66-32,890.39-7,135.52

Finding the Fourth Proportional to 21,926.66, 32,890.39 and 7,135.52

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Solution

The fourth proportional to 21,926.66, 32,890.39 and 7,135.52 is: 10,703.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,926.66 : 32,890.39 = 7,135.52 : x
  2. Step 2: Convert to fraction form
    21,926.66/32,890.39 = 7,135.52/x
  3. Step 3: Cross multiply
    21,926.66x = 32,890.39 × 7,135.52
  4. Step 4: Simplify right side
    21,926.66x = 234,690,035.65
  5. Step 5: Solve for x
    x = 234,690,035.65/21,926.66
  6. Step 6: Final answer
    x = 10,703.41

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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.