Home / 18,323.88-27,482.66-5,173.18

Finding the Fourth Proportional to 18,323.88, 27,482.66 and 5,173.18

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Solution

The fourth proportional to 18,323.88, 27,482.66 and 5,173.18 is: 7,758.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,323.88 : 27,482.66 = 5,173.18 : x
  2. Step 2: Convert to fraction form
    18,323.88/27,482.66 = 5,173.18/x
  3. Step 3: Cross multiply
    18,323.88x = 27,482.66 × 5,173.18
  4. Step 4: Simplify right side
    18,323.88x = 142,172,747.06
  5. Step 5: Solve for x
    x = 142,172,747.06/18,323.88
  6. Step 6: Final answer
    x = 7,758.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.