Home / 18,654.12-25,740.65-10,696.14

Finding the Fourth Proportional to 18,654.12, 25,740.65 and 10,696.14

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Solution

The fourth proportional to 18,654.12, 25,740.65 and 10,696.14 is: 14,759.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,654.12 : 25,740.65 = 10,696.14 : x
  2. Step 2: Convert to fraction form
    18,654.12/25,740.65 = 10,696.14/x
  3. Step 3: Cross multiply
    18,654.12x = 25,740.65 × 10,696.14
  4. Step 4: Simplify right side
    18,654.12x = 275,325,622.83
  5. Step 5: Solve for x
    x = 275,325,622.83/18,654.12
  6. Step 6: Final answer
    x = 14,759.51

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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.