Home / 19,504.60-29,246.10-8,409.40

Finding the Fourth Proportional to 19,504.60, 29,246.10 and 8,409.40

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Solution

The fourth proportional to 19,504.60, 29,246.10 and 8,409.40 is: 12,609.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,504.60 : 29,246.10 = 8,409.40 : x
  2. Step 2: Convert to fraction form
    19,504.60/29,246.10 = 8,409.40/x
  3. Step 3: Cross multiply
    19,504.60x = 29,246.10 × 8,409.40
  4. Step 4: Simplify right side
    19,504.60x = 245,942,153.34
  5. Step 5: Solve for x
    x = 245,942,153.34/19,504.60
  6. Step 6: Final answer
    x = 12,609.44

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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.