Home / 19,470.28-29,200.04-8,374.60

Finding the Fourth Proportional to 19,470.28, 29,200.04 and 8,374.60

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Solution

The fourth proportional to 19,470.28, 29,200.04 and 8,374.60 is: 12,559.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,470.28 : 29,200.04 = 8,374.60 : x
  2. Step 2: Convert to fraction form
    19,470.28/29,200.04 = 8,374.60/x
  3. Step 3: Cross multiply
    19,470.28x = 29,200.04 × 8,374.60
  4. Step 4: Simplify right side
    19,470.28x = 244,538,654.98
  5. Step 5: Solve for x
    x = 244,538,654.98/19,470.28
  6. Step 6: Final answer
    x = 12,559.59

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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.