Home / 33,112.64-45,699.60-18,965.50

Finding the Fourth Proportional to 33,112.64, 45,699.60 and 18,965.50

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Solution

The fourth proportional to 33,112.64, 45,699.60 and 18,965.50 is: 26,174.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,112.64 : 45,699.60 = 18,965.50 : x
  2. Step 2: Convert to fraction form
    33,112.64/45,699.60 = 18,965.50/x
  3. Step 3: Cross multiply
    33,112.64x = 45,699.60 × 18,965.50
  4. Step 4: Simplify right side
    33,112.64x = 866,715,763.80
  5. Step 5: Solve for x
    x = 866,715,763.80/33,112.64
  6. Step 6: Final answer
    x = 26,174.77

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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.