Home / 14,389.24-19,857.54-8,101.84

Finding the Fourth Proportional to 14,389.24, 19,857.54 and 8,101.84

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Solution

The fourth proportional to 14,389.24, 19,857.54 and 8,101.84 is: 11,180.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,389.24 : 19,857.54 = 8,101.84 : x
  2. Step 2: Convert to fraction form
    14,389.24/19,857.54 = 8,101.84/x
  3. Step 3: Cross multiply
    14,389.24x = 19,857.54 × 8,101.84
  4. Step 4: Simplify right side
    14,389.24x = 160,882,611.87
  5. Step 5: Solve for x
    x = 160,882,611.87/14,389.24
  6. Step 6: Final answer
    x = 11,180.76

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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.