Home / 15,740.65-23,605.30-5,208.73

Finding the Fourth Proportional to 15,740.65, 23,605.30 and 5,208.73

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Solution

The fourth proportional to 15,740.65, 23,605.30 and 5,208.73 is: 7,811.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,740.65 : 23,605.30 = 5,208.73 : x
  2. Step 2: Convert to fraction form
    15,740.65/23,605.30 = 5,208.73/x
  3. Step 3: Cross multiply
    15,740.65x = 23,605.30 × 5,208.73
  4. Step 4: Simplify right side
    15,740.65x = 122,953,516.24
  5. Step 5: Solve for x
    x = 122,953,516.24/15,740.65
  6. Step 6: Final answer
    x = 7,811.21

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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.