Home / 18,525.65-25,556.45-17,809.61

Finding the Fourth Proportional to 18,525.65, 25,556.45 and 17,809.61

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Solution

The fourth proportional to 18,525.65, 25,556.45 and 17,809.61 is: 24,568.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,525.65 : 25,556.45 = 17,809.61 : x
  2. Step 2: Convert to fraction form
    18,525.65/25,556.45 = 17,809.61/x
  3. Step 3: Cross multiply
    18,525.65x = 25,556.45 × 17,809.61
  4. Step 4: Simplify right side
    18,525.65x = 455,150,190.65
  5. Step 5: Solve for x
    x = 455,150,190.65/18,525.65
  6. Step 6: Final answer
    x = 24,568.66

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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.