Home / 21,926.93-32,890.69-7,135.92

Finding the Fourth Proportional to 21,926.93, 32,890.69 and 7,135.92

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Solution

The fourth proportional to 21,926.93, 32,890.69 and 7,135.92 is: 10,703.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,926.93 : 32,890.69 = 7,135.92 : x
  2. Step 2: Convert to fraction form
    21,926.93/32,890.69 = 7,135.92/x
  3. Step 3: Cross multiply
    21,926.93x = 32,890.69 × 7,135.92
  4. Step 4: Simplify right side
    21,926.93x = 234,705,314.75
  5. Step 5: Solve for x
    x = 234,705,314.75/21,926.93
  6. Step 6: Final answer
    x = 10,703.98

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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.