Home / 31,683.22-43,724.88-18,254.24

Finding the Fourth Proportional to 31,683.22, 43,724.88 and 18,254.24

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Solution

The fourth proportional to 31,683.22, 43,724.88 and 18,254.24 is: 25,192.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,683.22 : 43,724.88 = 18,254.24 : x
  2. Step 2: Convert to fraction form
    31,683.22/43,724.88 = 18,254.24/x
  3. Step 3: Cross multiply
    31,683.22x = 43,724.88 × 18,254.24
  4. Step 4: Simplify right side
    31,683.22x = 798,164,453.49
  5. Step 5: Solve for x
    x = 798,164,453.49/31,683.22
  6. Step 6: Final answer
    x = 25,192.02

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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.