Home / 23,052.60-31,812.12-12,980.97

Finding the Fourth Proportional to 23,052.60, 31,812.12 and 12,980.97

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Solution

The fourth proportional to 23,052.60, 31,812.12 and 12,980.97 is: 17,913.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,052.60 : 31,812.12 = 12,980.97 : x
  2. Step 2: Convert to fraction form
    23,052.60/31,812.12 = 12,980.97/x
  3. Step 3: Cross multiply
    23,052.60x = 31,812.12 × 12,980.97
  4. Step 4: Simplify right side
    23,052.60x = 412,952,175.36
  5. Step 5: Solve for x
    x = 412,952,175.36/23,052.60
  6. Step 6: Final answer
    x = 17,913.48

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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.