Home / 55,149.24-82,710.19-15,706.70

Finding the Fourth Proportional to 55,149.24, 82,710.19 and 15,706.70

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Solution

The fourth proportional to 55,149.24, 82,710.19 and 15,706.70 is: 23,556.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,149.24 : 82,710.19 = 15,706.70 : x
  2. Step 2: Convert to fraction form
    55,149.24/82,710.19 = 15,706.70/x
  3. Step 3: Cross multiply
    55,149.24x = 82,710.19 × 15,706.70
  4. Step 4: Simplify right side
    55,149.24x = 1,299,104,141.27
  5. Step 5: Solve for x
    x = 1,299,104,141.27/55,149.24
  6. Step 6: Final answer
    x = 23,556.16

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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.