Home / 13,536.16-18,660.70-11,950.58

Finding the Fourth Proportional to 13,536.16, 18,660.70 and 11,950.58

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Solution

The fourth proportional to 13,536.16, 18,660.70 and 11,950.58 is: 16,474.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,536.16 : 18,660.70 = 11,950.58 : x
  2. Step 2: Convert to fraction form
    13,536.16/18,660.70 = 11,950.58/x
  3. Step 3: Cross multiply
    13,536.16x = 18,660.70 × 11,950.58
  4. Step 4: Simplify right side
    13,536.16x = 223,006,204.98
  5. Step 5: Solve for x
    x = 223,006,204.98/13,536.16
  6. Step 6: Final answer
    x = 16,474.85

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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.