Home / 19,023.15-28,528.74-7,926.96

Finding the Fourth Proportional to 19,023.15, 28,528.74 and 7,926.96

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Solution

The fourth proportional to 19,023.15, 28,528.74 and 7,926.96 is: 11,887.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,023.15 : 28,528.74 = 7,926.96 : x
  2. Step 2: Convert to fraction form
    19,023.15/28,528.74 = 7,926.96/x
  3. Step 3: Cross multiply
    19,023.15x = 28,528.74 × 7,926.96
  4. Step 4: Simplify right side
    19,023.15x = 226,146,180.83
  5. Step 5: Solve for x
    x = 226,146,180.83/19,023.15
  6. Step 6: Final answer
    x = 11,887.95

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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.