Home / 23,055.06-31,817.68-12,984.60

Finding the Fourth Proportional to 23,055.06, 31,817.68 and 12,984.60

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Solution

The fourth proportional to 23,055.06, 31,817.68 and 12,984.60 is: 17,919.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,055.06 : 31,817.68 = 12,984.60 : x
  2. Step 2: Convert to fraction form
    23,055.06/31,817.68 = 12,984.60/x
  3. Step 3: Cross multiply
    23,055.06x = 31,817.68 × 12,984.60
  4. Step 4: Simplify right side
    23,055.06x = 413,139,847.73
  5. Step 5: Solve for x
    x = 413,139,847.73/23,055.06
  6. Step 6: Final answer
    x = 17,919.70

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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.