Home / 14,380.24-19,850.88-9,902.56

Finding the Fourth Proportional to 14,380.24, 19,850.88 and 9,902.56

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Solution

The fourth proportional to 14,380.24, 19,850.88 and 9,902.56 is: 13,669.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,380.24 : 19,850.88 = 9,902.56 : x
  2. Step 2: Convert to fraction form
    14,380.24/19,850.88 = 9,902.56/x
  3. Step 3: Cross multiply
    14,380.24x = 19,850.88 × 9,902.56
  4. Step 4: Simplify right side
    14,380.24x = 196,574,530.25
  5. Step 5: Solve for x
    x = 196,574,530.25/14,380.24
  6. Step 6: Final answer
    x = 13,669.77

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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.