Home / 19,188.36-28,780.02-6,040.80

Finding the Fourth Proportional to 19,188.36, 28,780.02 and 6,040.80

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Solution

The fourth proportional to 19,188.36, 28,780.02 and 6,040.80 is: 9,060.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,188.36 : 28,780.02 = 6,040.80 : x
  2. Step 2: Convert to fraction form
    19,188.36/28,780.02 = 6,040.80/x
  3. Step 3: Cross multiply
    19,188.36x = 28,780.02 × 6,040.80
  4. Step 4: Simplify right side
    19,188.36x = 173,854,344.82
  5. Step 5: Solve for x
    x = 173,854,344.82/19,188.36
  6. Step 6: Final answer
    x = 9,060.41

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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.