Home / 15,795.46-23,685.26-5,261.78

Finding the Fourth Proportional to 15,795.46, 23,685.26 and 5,261.78

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Solution

The fourth proportional to 15,795.46, 23,685.26 and 5,261.78 is: 7,890.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,795.46 : 23,685.26 = 5,261.78 : x
  2. Step 2: Convert to fraction form
    15,795.46/23,685.26 = 5,261.78/x
  3. Step 3: Cross multiply
    15,795.46x = 23,685.26 × 5,261.78
  4. Step 4: Simplify right side
    15,795.46x = 124,626,627.36
  5. Step 5: Solve for x
    x = 124,626,627.36/15,795.46
  6. Step 6: Final answer
    x = 7,890.03

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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.