Home / 33,156.78-45,744.80-18,814.92

Finding the Fourth Proportional to 33,156.78, 45,744.80 and 18,814.92

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Solution

The fourth proportional to 33,156.78, 45,744.80 and 18,814.92 is: 25,958.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,156.78 : 45,744.80 = 18,814.92 : x
  2. Step 2: Convert to fraction form
    33,156.78/45,744.80 = 18,814.92/x
  3. Step 3: Cross multiply
    33,156.78x = 45,744.80 × 18,814.92
  4. Step 4: Simplify right side
    33,156.78x = 860,684,752.42
  5. Step 5: Solve for x
    x = 860,684,752.42/33,156.78
  6. Step 6: Final answer
    x = 25,958.03

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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.