Home / 19,133.30-28,703.90-8,033.46

Finding the Fourth Proportional to 19,133.30, 28,703.90 and 8,033.46

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Solution

The fourth proportional to 19,133.30, 28,703.90 and 8,033.46 is: 12,051.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,133.30 : 28,703.90 = 8,033.46 : x
  2. Step 2: Convert to fraction form
    19,133.30/28,703.90 = 8,033.46/x
  3. Step 3: Cross multiply
    19,133.30x = 28,703.90 × 8,033.46
  4. Step 4: Simplify right side
    19,133.30x = 230,591,632.49
  5. Step 5: Solve for x
    x = 230,591,632.49/19,133.30
  6. Step 6: Final answer
    x = 12,051.85

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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.