Home / 33,112.16-45,692.40-18,964.64

Finding the Fourth Proportional to 33,112.16, 45,692.40 and 18,964.64

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Solution

The fourth proportional to 33,112.16, 45,692.40 and 18,964.64 is: 26,169.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,112.16 : 45,692.40 = 18,964.64 : x
  2. Step 2: Convert to fraction form
    33,112.16/45,692.40 = 18,964.64/x
  3. Step 3: Cross multiply
    33,112.16x = 45,692.40 × 18,964.64
  4. Step 4: Simplify right side
    33,112.16x = 866,539,916.74
  5. Step 5: Solve for x
    x = 866,539,916.74/33,112.16
  6. Step 6: Final answer
    x = 26,169.84

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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.