Home / 33,107.52-45,672.80-18,952.32

Finding the Fourth Proportional to 33,107.52, 45,672.80 and 18,952.32

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Solution

The fourth proportional to 33,107.52, 45,672.80 and 18,952.32 is: 26,145.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,107.52 : 45,672.80 = 18,952.32 : x
  2. Step 2: Convert to fraction form
    33,107.52/45,672.80 = 18,952.32/x
  3. Step 3: Cross multiply
    33,107.52x = 45,672.80 × 18,952.32
  4. Step 4: Simplify right side
    33,107.52x = 865,605,520.90
  5. Step 5: Solve for x
    x = 865,605,520.90/33,107.52
  6. Step 6: Final answer
    x = 26,145.28

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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.