Home / 23,078.06-31,829.60-16,705.60

Finding the Fourth Proportional to 23,078.06, 31,829.60 and 16,705.60

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Solution

The fourth proportional to 23,078.06, 31,829.60 and 16,705.60 is: 23,040.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,078.06 : 31,829.60 = 16,705.60 : x
  2. Step 2: Convert to fraction form
    23,078.06/31,829.60 = 16,705.60/x
  3. Step 3: Cross multiply
    23,078.06x = 31,829.60 × 16,705.60
  4. Step 4: Simplify right side
    23,078.06x = 531,732,565.76
  5. Step 5: Solve for x
    x = 531,732,565.76/23,078.06
  6. Step 6: Final answer
    x = 23,040.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.