Home / 33,172.83-45,776.66-18,828.86

Finding the Fourth Proportional to 33,172.83, 45,776.66 and 18,828.86

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Solution

The fourth proportional to 33,172.83, 45,776.66 and 18,828.86 is: 25,982.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,172.83 : 45,776.66 = 18,828.86 : x
  2. Step 2: Convert to fraction form
    33,172.83/45,776.66 = 18,828.86/x
  3. Step 3: Cross multiply
    33,172.83x = 45,776.66 × 18,828.86
  4. Step 4: Simplify right side
    33,172.83x = 861,921,999.38
  5. Step 5: Solve for x
    x = 861,921,999.38/33,172.83
  6. Step 6: Final answer
    x = 25,982.77

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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.