Home / 21,466.08-32,198.40-7,605.36

Finding the Fourth Proportional to 21,466.08, 32,198.40 and 7,605.36

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Solution

The fourth proportional to 21,466.08, 32,198.40 and 7,605.36 is: 11,407.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,466.08 : 32,198.40 = 7,605.36 : x
  2. Step 2: Convert to fraction form
    21,466.08/32,198.40 = 7,605.36/x
  3. Step 3: Cross multiply
    21,466.08x = 32,198.40 × 7,605.36
  4. Step 4: Simplify right side
    21,466.08x = 244,880,423.42
  5. Step 5: Solve for x
    x = 244,880,423.42/21,466.08
  6. Step 6: Final answer
    x = 11,407.78

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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.