Home / 33,173.17-45,779.55-18,832.63

Finding the Fourth Proportional to 33,173.17, 45,779.55 and 18,832.63

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Solution

The fourth proportional to 33,173.17, 45,779.55 and 18,832.63 is: 25,989.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,173.17 : 45,779.55 = 18,832.63 : x
  2. Step 2: Convert to fraction form
    33,173.17/45,779.55 = 18,832.63/x
  3. Step 3: Cross multiply
    33,173.17x = 45,779.55 × 18,832.63
  4. Step 4: Simplify right side
    33,173.17x = 862,149,326.72
  5. Step 5: Solve for x
    x = 862,149,326.72/33,173.17
  6. Step 6: Final answer
    x = 25,989.36

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Half scale
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Double scale
Find fourth proportional to 33,174.17, 45,780.93 and 18,833.63
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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.