Home / 15,795.98-23,708.30-8,406.66

Finding the Fourth Proportional to 15,795.98, 23,708.30 and 8,406.66

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Solution

The fourth proportional to 15,795.98, 23,708.30 and 8,406.66 is: 12,617.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,795.98 : 23,708.30 = 8,406.66 : x
  2. Step 2: Convert to fraction form
    15,795.98/23,708.30 = 8,406.66/x
  3. Step 3: Cross multiply
    15,795.98x = 23,708.30 × 8,406.66
  4. Step 4: Simplify right side
    15,795.98x = 199,307,617.28
  5. Step 5: Solve for x
    x = 199,307,617.28/15,795.98
  6. Step 6: Final answer
    x = 12,617.62

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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.