Home / 15,721.49-23,584.55-5,192.60

Finding the Fourth Proportional to 15,721.49, 23,584.55 and 5,192.60

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Solution

The fourth proportional to 15,721.49, 23,584.55 and 5,192.60 is: 7,789.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,721.49 : 23,584.55 = 5,192.60 : x
  2. Step 2: Convert to fraction form
    15,721.49/23,584.55 = 5,192.60/x
  3. Step 3: Cross multiply
    15,721.49x = 23,584.55 × 5,192.60
  4. Step 4: Simplify right side
    15,721.49x = 122,465,186.80
  5. Step 5: Solve for x
    x = 122,465,186.80/15,721.49
  6. Step 6: Final answer
    x = 7,789.67

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1.5x scale

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.