Home / 19,285.06-28,926.36-6,146.86

Finding the Fourth Proportional to 19,285.06, 28,926.36 and 6,146.86

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Solution

The fourth proportional to 19,285.06, 28,926.36 and 6,146.86 is: 9,219.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,285.06 : 28,926.36 = 6,146.86 : x
  2. Step 2: Convert to fraction form
    19,285.06/28,926.36 = 6,146.86/x
  3. Step 3: Cross multiply
    19,285.06x = 28,926.36 × 6,146.86
  4. Step 4: Simplify right side
    19,285.06x = 177,806,285.23
  5. Step 5: Solve for x
    x = 177,806,285.23/19,285.06
  6. Step 6: Final answer
    x = 9,219.90

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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.