Home / 14,191.24-21,286.89-5,427.04

Finding the Fourth Proportional to 14,191.24, 21,286.89 and 5,427.04

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Solution

The fourth proportional to 14,191.24, 21,286.89 and 5,427.04 is: 8,140.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,191.24 : 21,286.89 = 5,427.04 : x
  2. Step 2: Convert to fraction form
    14,191.24/21,286.89 = 5,427.04/x
  3. Step 3: Cross multiply
    14,191.24x = 21,286.89 × 5,427.04
  4. Step 4: Simplify right side
    14,191.24x = 115,524,803.51
  5. Step 5: Solve for x
    x = 115,524,803.51/14,191.24
  6. Step 6: Final answer
    x = 8,140.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.