Home / 33,160.81-45,761.92-18,256.81

Finding the Fourth Proportional to 33,160.81, 45,761.92 and 18,256.81

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Solution

The fourth proportional to 33,160.81, 45,761.92 and 18,256.81 is: 25,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,160.81 : 45,761.92 = 18,256.81 : x
  2. Step 2: Convert to fraction form
    33,160.81/45,761.92 = 18,256.81/x
  3. Step 3: Cross multiply
    33,160.81x = 45,761.92 × 18,256.81
  4. Step 4: Simplify right side
    33,160.81x = 835,466,678.68
  5. Step 5: Solve for x
    x = 835,466,678.68/33,160.81
  6. Step 6: Final answer
    x = 25,194.40

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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.