Home / 23,128.36-34,661.46-12,011.92

Finding the Fourth Proportional to 23,128.36, 34,661.46 and 12,011.92

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Solution

The fourth proportional to 23,128.36, 34,661.46 and 12,011.92 is: 18,001.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,128.36 : 34,661.46 = 12,011.92 : x
  2. Step 2: Convert to fraction form
    23,128.36/34,661.46 = 12,011.92/x
  3. Step 3: Cross multiply
    23,128.36x = 34,661.46 × 12,011.92
  4. Step 4: Simplify right side
    23,128.36x = 416,350,684.60
  5. Step 5: Solve for x
    x = 416,350,684.60/23,128.36
  6. Step 6: Final answer
    x = 18,001.74

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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.