Home / 21,473.60-32,212.80-6,679.04

Finding the Fourth Proportional to 21,473.60, 32,212.80 and 6,679.04

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Solution

The fourth proportional to 21,473.60, 32,212.80 and 6,679.04 is: 10,019.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,473.60 : 32,212.80 = 6,679.04 : x
  2. Step 2: Convert to fraction form
    21,473.60/32,212.80 = 6,679.04/x
  3. Step 3: Cross multiply
    21,473.60x = 32,212.80 × 6,679.04
  4. Step 4: Simplify right side
    21,473.60x = 215,150,579.71
  5. Step 5: Solve for x
    x = 215,150,579.71/21,473.60
  6. Step 6: Final answer
    x = 10,019.31

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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.