Home / 19,828.40-29,746.04-6,680.88

Finding the Fourth Proportional to 19,828.40, 29,746.04 and 6,680.88

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Solution

The fourth proportional to 19,828.40, 29,746.04 and 6,680.88 is: 10,022.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,828.40 : 29,746.04 = 6,680.88 : x
  2. Step 2: Convert to fraction form
    19,828.40/29,746.04 = 6,680.88/x
  3. Step 3: Cross multiply
    19,828.40x = 29,746.04 × 6,680.88
  4. Step 4: Simplify right side
    19,828.40x = 198,729,690.31
  5. Step 5: Solve for x
    x = 198,729,690.31/19,828.40
  6. Step 6: Final answer
    x = 10,022.48

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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.