Home / 15,760.40-23,640.60-4,668.80

Finding the Fourth Proportional to 15,760.40, 23,640.60 and 4,668.80

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Solution

The fourth proportional to 15,760.40, 23,640.60 and 4,668.80 is: 7,003.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,760.40 : 23,640.60 = 4,668.80 : x
  2. Step 2: Convert to fraction form
    15,760.40/23,640.60 = 4,668.80/x
  3. Step 3: Cross multiply
    15,760.40x = 23,640.60 × 4,668.80
  4. Step 4: Simplify right side
    15,760.40x = 110,373,233.28
  5. Step 5: Solve for x
    x = 110,373,233.28/15,760.40
  6. Step 6: Final answer
    x = 7,003.20

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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.