Home / 31,653.35-43,683.80-18,228.14

Finding the Fourth Proportional to 31,653.35, 43,683.80 and 18,228.14

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Solution

The fourth proportional to 31,653.35, 43,683.80 and 18,228.14 is: 25,156.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,653.35 : 43,683.80 = 18,228.14 : x
  2. Step 2: Convert to fraction form
    31,653.35/43,683.80 = 18,228.14/x
  3. Step 3: Cross multiply
    31,653.35x = 43,683.80 × 18,228.14
  4. Step 4: Simplify right side
    31,653.35x = 796,274,112.57
  5. Step 5: Solve for x
    x = 796,274,112.57/31,653.35
  6. Step 6: Final answer
    x = 25,156.08

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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.