Home / 33,006.87-45,541.55-18,666.99

Finding the Fourth Proportional to 33,006.87, 45,541.55 and 18,666.99

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Solution

The fourth proportional to 33,006.87, 45,541.55 and 18,666.99 is: 25,755.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,006.87 : 45,541.55 = 18,666.99 : x
  2. Step 2: Convert to fraction form
    33,006.87/45,541.55 = 18,666.99/x
  3. Step 3: Cross multiply
    33,006.87x = 45,541.55 × 18,666.99
  4. Step 4: Simplify right side
    33,006.87x = 850,123,705.10
  5. Step 5: Solve for x
    x = 850,123,705.10/33,006.87
  6. Step 6: Final answer
    x = 25,755.96

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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.