Home / 19,179.18-28,773.05-7,492.50

Finding the Fourth Proportional to 19,179.18, 28,773.05 and 7,492.50

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Solution

The fourth proportional to 19,179.18, 28,773.05 and 7,492.50 is: 11,240.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,179.18 : 28,773.05 = 7,492.50 : x
  2. Step 2: Convert to fraction form
    19,179.18/28,773.05 = 7,492.50/x
  3. Step 3: Cross multiply
    19,179.18x = 28,773.05 × 7,492.50
  4. Step 4: Simplify right side
    19,179.18x = 215,582,039.66
  5. Step 5: Solve for x
    x = 215,582,039.66/19,179.18
  6. Step 6: Final answer
    x = 11,240.42

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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.