Home / 33,173.60-45,779.10-18,833.30

Finding the Fourth Proportional to 33,173.60, 45,779.10 and 18,833.30

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Solution

The fourth proportional to 33,173.60, 45,779.10 and 18,833.30 is: 25,989.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,173.60 : 45,779.10 = 18,833.30 : x
  2. Step 2: Convert to fraction form
    33,173.60/45,779.10 = 18,833.30/x
  3. Step 3: Cross multiply
    33,173.60x = 45,779.10 × 18,833.30
  4. Step 4: Simplify right side
    33,173.60x = 862,171,524.03
  5. Step 5: Solve for x
    x = 862,171,524.03/33,173.60
  6. Step 6: Final answer
    x = 25,989.69

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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.