Home / 32,725.62-45,162.63-18,579.78

Finding the Fourth Proportional to 32,725.62, 45,162.63 and 18,579.78

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Solution

The fourth proportional to 32,725.62, 45,162.63 and 18,579.78 is: 25,640.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,725.62 : 45,162.63 = 18,579.78 : x
  2. Step 2: Convert to fraction form
    32,725.62/45,162.63 = 18,579.78/x
  3. Step 3: Cross multiply
    32,725.62x = 45,162.63 × 18,579.78
  4. Step 4: Simplify right side
    32,725.62x = 839,111,729.62
  5. Step 5: Solve for x
    x = 839,111,729.62/32,725.62
  6. Step 6: Final answer
    x = 25,640.82

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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.