Home / 33,013.76-45,558.05-18,866.57

Finding the Fourth Proportional to 33,013.76, 45,558.05 and 18,866.57

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Solution

The fourth proportional to 33,013.76, 45,558.05 and 18,866.57 is: 26,035.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,013.76 : 45,558.05 = 18,866.57 : x
  2. Step 2: Convert to fraction form
    33,013.76/45,558.05 = 18,866.57/x
  3. Step 3: Cross multiply
    33,013.76x = 45,558.05 × 18,866.57
  4. Step 4: Simplify right side
    33,013.76x = 859,523,817.27
  5. Step 5: Solve for x
    x = 859,523,817.27/33,013.76
  6. Step 6: Final answer
    x = 26,035.32

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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.