Home / 33,123.14-45,709.47-18,015.47

Finding the Fourth Proportional to 33,123.14, 45,709.47 and 18,015.47

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Solution

The fourth proportional to 33,123.14, 45,709.47 and 18,015.47 is: 24,861.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,123.14 : 45,709.47 = 18,015.47 : x
  2. Step 2: Convert to fraction form
    33,123.14/45,709.47 = 18,015.47/x
  3. Step 3: Cross multiply
    33,123.14x = 45,709.47 × 18,015.47
  4. Step 4: Simplify right side
    33,123.14x = 823,477,356.95
  5. Step 5: Solve for x
    x = 823,477,356.95/33,123.14
  6. Step 6: Final answer
    x = 24,861.09

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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.