Home / 12,956.99-19,334.40-11,560.73

Finding the Fourth Proportional to 12,956.99, 19,334.40 and 11,560.73

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Solution

The fourth proportional to 12,956.99, 19,334.40 and 11,560.73 is: 17,250.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,956.99 : 19,334.40 = 11,560.73 : x
  2. Step 2: Convert to fraction form
    12,956.99/19,334.40 = 11,560.73/x
  3. Step 3: Cross multiply
    12,956.99x = 19,334.40 × 11,560.73
  4. Step 4: Simplify right side
    12,956.99x = 223,519,638.09
  5. Step 5: Solve for x
    x = 223,519,638.09/12,956.99
  6. Step 6: Final answer
    x = 17,250.90

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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.