Home / 23,052.92-31,812.66-12,981.33

Finding the Fourth Proportional to 23,052.92, 31,812.66 and 12,981.33

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Solution

The fourth proportional to 23,052.92, 31,812.66 and 12,981.33 is: 17,914.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,052.92 : 31,812.66 = 12,981.33 : x
  2. Step 2: Convert to fraction form
    23,052.92/31,812.66 = 12,981.33/x
  3. Step 3: Cross multiply
    23,052.92x = 31,812.66 × 12,981.33
  4. Step 4: Simplify right side
    23,052.92x = 412,970,637.64
  5. Step 5: Solve for x
    x = 412,970,637.64/23,052.92
  6. Step 6: Final answer
    x = 17,914.03

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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.