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Finding the Fourth Proportional to 18,185.16, 25,097.94 and 13,482.84

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Solution

The fourth proportional to 18,185.16, 25,097.94 and 13,482.84 is: 18,608.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,185.16 : 25,097.94 = 13,482.84 : x
  2. Step 2: Convert to fraction form
    18,185.16/25,097.94 = 13,482.84/x
  3. Step 3: Cross multiply
    18,185.16x = 25,097.94 × 13,482.84
  4. Step 4: Simplify right side
    18,185.16x = 338,391,509.35
  5. Step 5: Solve for x
    x = 338,391,509.35/18,185.16
  6. Step 6: Final answer
    x = 18,608.11

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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.