Home / 19,819.08-29,730.69-6,672.51

Finding the Fourth Proportional to 19,819.08, 29,730.69 and 6,672.51

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Solution

The fourth proportional to 19,819.08, 29,730.69 and 6,672.51 is: 10,009.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,819.08 : 29,730.69 = 6,672.51 : x
  2. Step 2: Convert to fraction form
    19,819.08/29,730.69 = 6,672.51/x
  3. Step 3: Cross multiply
    19,819.08x = 29,730.69 × 6,672.51
  4. Step 4: Simplify right side
    19,819.08x = 198,378,326.33
  5. Step 5: Solve for x
    x = 198,378,326.33/19,819.08
  6. Step 6: Final answer
    x = 10,009.46

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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.