Home / 33,013.12-45,557.41-17,905.20

Finding the Fourth Proportional to 33,013.12, 45,557.41 and 17,905.20

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Solution

The fourth proportional to 33,013.12, 45,557.41 and 17,905.20 is: 24,708.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,013.12 : 45,557.41 = 17,905.20 : x
  2. Step 2: Convert to fraction form
    33,013.12/45,557.41 = 17,905.20/x
  3. Step 3: Cross multiply
    33,013.12x = 45,557.41 × 17,905.20
  4. Step 4: Simplify right side
    33,013.12x = 815,714,662.12
  5. Step 5: Solve for x
    x = 815,714,662.12/33,013.12
  6. Step 6: Final answer
    x = 24,708.80

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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.