Home / 18,622.45-25,701.32-11,549.93

Finding the Fourth Proportional to 18,622.45, 25,701.32 and 11,549.93

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Solution

The fourth proportional to 18,622.45, 25,701.32 and 11,549.93 is: 15,940.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,622.45 : 25,701.32 = 11,549.93 : x
  2. Step 2: Convert to fraction form
    18,622.45/25,701.32 = 11,549.93/x
  3. Step 3: Cross multiply
    18,622.45x = 25,701.32 × 11,549.93
  4. Step 4: Simplify right side
    18,622.45x = 296,848,540.04
  5. Step 5: Solve for x
    x = 296,848,540.04/18,622.45
  6. Step 6: Final answer
    x = 15,940.36

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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.