Home / 19,275.66-28,921.86-6,804.60

Finding the Fourth Proportional to 19,275.66, 28,921.86 and 6,804.60

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Solution

The fourth proportional to 19,275.66, 28,921.86 and 6,804.60 is: 10,209.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,275.66 : 28,921.86 = 6,804.60 : x
  2. Step 2: Convert to fraction form
    19,275.66/28,921.86 = 6,804.60/x
  3. Step 3: Cross multiply
    19,275.66x = 28,921.86 × 6,804.60
  4. Step 4: Simplify right side
    19,275.66x = 196,801,688.56
  5. Step 5: Solve for x
    x = 196,801,688.56/19,275.66
  6. Step 6: Final answer
    x = 10,209.85

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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.