Home / 33,086.75-45,659.63-18,746.55

Finding the Fourth Proportional to 33,086.75, 45,659.63 and 18,746.55

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Solution

The fourth proportional to 33,086.75, 45,659.63 and 18,746.55 is: 25,870.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,086.75 : 45,659.63 = 18,746.55 : x
  2. Step 2: Convert to fraction form
    33,086.75/45,659.63 = 18,746.55/x
  3. Step 3: Cross multiply
    33,086.75x = 45,659.63 × 18,746.55
  4. Step 4: Simplify right side
    33,086.75x = 855,960,523.15
  5. Step 5: Solve for x
    x = 855,960,523.15/33,086.75
  6. Step 6: Final answer
    x = 25,870.19

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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.