Home / 22,943.07-31,661.66-12,871.73

Finding the Fourth Proportional to 22,943.07, 31,661.66 and 12,871.73

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Solution

The fourth proportional to 22,943.07, 31,661.66 and 12,871.73 is: 17,763.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,943.07 : 31,661.66 = 12,871.73 : x
  2. Step 2: Convert to fraction form
    22,943.07/31,661.66 = 12,871.73/x
  3. Step 3: Cross multiply
    22,943.07x = 31,661.66 × 12,871.73
  4. Step 4: Simplify right side
    22,943.07x = 407,540,116.20
  5. Step 5: Solve for x
    x = 407,540,116.20/22,943.07
  6. Step 6: Final answer
    x = 17,763.10

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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.