Home / 13,554.62-20,232.65-11,956.76

Finding the Fourth Proportional to 13,554.62, 20,232.65 and 11,956.76

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Solution

The fourth proportional to 13,554.62, 20,232.65 and 11,956.76 is: 17,847.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,554.62 : 20,232.65 = 11,956.76 : x
  2. Step 2: Convert to fraction form
    13,554.62/20,232.65 = 11,956.76/x
  3. Step 3: Cross multiply
    13,554.62x = 20,232.65 × 11,956.76
  4. Step 4: Simplify right side
    13,554.62x = 241,916,940.21
  5. Step 5: Solve for x
    x = 241,916,940.21/13,554.62
  6. Step 6: Final answer
    x = 17,847.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.