Home / 18,609.07-25,684.57-11,445.14

Finding the Fourth Proportional to 18,609.07, 25,684.57 and 11,445.14

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Solution

The fourth proportional to 18,609.07, 25,684.57 and 11,445.14 is: 15,796.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,609.07 : 25,684.57 = 11,445.14 : x
  2. Step 2: Convert to fraction form
    18,609.07/25,684.57 = 11,445.14/x
  3. Step 3: Cross multiply
    18,609.07x = 25,684.57 × 11,445.14
  4. Step 4: Simplify right side
    18,609.07x = 293,963,535.09
  5. Step 5: Solve for x
    x = 293,963,535.09/18,609.07
  6. Step 6: Final answer
    x = 15,796.79

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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.