Home / 33,125.22-45,702.66-18,782.75

Finding the Fourth Proportional to 33,125.22, 45,702.66 and 18,782.75

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Solution

The fourth proportional to 33,125.22, 45,702.66 and 18,782.75 is: 25,914.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,125.22 : 45,702.66 = 18,782.75 : x
  2. Step 2: Convert to fraction form
    33,125.22/45,702.66 = 18,782.75/x
  3. Step 3: Cross multiply
    33,125.22x = 45,702.66 × 18,782.75
  4. Step 4: Simplify right side
    33,125.22x = 858,421,821.81
  5. Step 5: Solve for x
    x = 858,421,821.81/33,125.22
  6. Step 6: Final answer
    x = 25,914.45

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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.