Home / 33,009.11-45,548.20-18,670.90

Finding the Fourth Proportional to 33,009.11, 45,548.20 and 18,670.90

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Solution

The fourth proportional to 33,009.11, 45,548.20 and 18,670.90 is: 25,763.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,009.11 : 45,548.20 = 18,670.90 : x
  2. Step 2: Convert to fraction form
    33,009.11/45,548.20 = 18,670.90/x
  3. Step 3: Cross multiply
    33,009.11x = 45,548.20 × 18,670.90
  4. Step 4: Simplify right side
    33,009.11x = 850,425,726.83
  5. Step 5: Solve for x
    x = 850,425,726.83/33,009.11
  6. Step 6: Final answer
    x = 25,763.36

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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.