Home / 19,750.12-29,633.28-8,064.52

Finding the Fourth Proportional to 19,750.12, 29,633.28 and 8,064.52

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Solution

The fourth proportional to 19,750.12, 29,633.28 and 8,064.52 is: 12,100.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,750.12 : 29,633.28 = 8,064.52 : x
  2. Step 2: Convert to fraction form
    19,750.12/29,633.28 = 8,064.52/x
  3. Step 3: Cross multiply
    19,750.12x = 29,633.28 × 8,064.52
  4. Step 4: Simplify right side
    19,750.12x = 238,978,179.23
  5. Step 5: Solve for x
    x = 238,978,179.23/19,750.12
  6. Step 6: Final answer
    x = 12,100.09

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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.