Home / 19,275.92-28,913.52-6,129.08

Finding the Fourth Proportional to 19,275.92, 28,913.52 and 6,129.08

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Solution

The fourth proportional to 19,275.92, 28,913.52 and 6,129.08 is: 9,193.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,275.92 : 28,913.52 = 6,129.08 : x
  2. Step 2: Convert to fraction form
    19,275.92/28,913.52 = 6,129.08/x
  3. Step 3: Cross multiply
    19,275.92x = 28,913.52 × 6,129.08
  4. Step 4: Simplify right side
    19,275.92x = 177,213,277.16
  5. Step 5: Solve for x
    x = 177,213,277.16/19,275.92
  6. Step 6: Final answer
    x = 9,193.51

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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.