Home / 14,338.23-19,786.50-7,964.85

Finding the Fourth Proportional to 14,338.23, 19,786.50 and 7,964.85

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Solution

The fourth proportional to 14,338.23, 19,786.50 and 7,964.85 is: 10,991.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,338.23 : 19,786.50 = 7,964.85 : x
  2. Step 2: Convert to fraction form
    14,338.23/19,786.50 = 7,964.85/x
  3. Step 3: Cross multiply
    14,338.23x = 19,786.50 × 7,964.85
  4. Step 4: Simplify right side
    14,338.23x = 157,596,504.53
  5. Step 5: Solve for x
    x = 157,596,504.53/14,338.23
  6. Step 6: Final answer
    x = 10,991.35

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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.