Home / 33,686.20-46,484.80-18,578.96

Finding the Fourth Proportional to 33,686.20, 46,484.80 and 18,578.96

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Solution

The fourth proportional to 33,686.20, 46,484.80 and 18,578.96 is: 25,637.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,686.20 : 46,484.80 = 18,578.96 : x
  2. Step 2: Convert to fraction form
    33,686.20/46,484.80 = 18,578.96/x
  3. Step 3: Cross multiply
    33,686.20x = 46,484.80 × 18,578.96
  4. Step 4: Simplify right side
    33,686.20x = 863,639,239.81
  5. Step 5: Solve for x
    x = 863,639,239.81/33,686.20
  6. Step 6: Final answer
    x = 25,637.78

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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.