Home / 13,338.96-19,950.12-9,324.72

Finding the Fourth Proportional to 13,338.96, 19,950.12 and 9,324.72

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Solution

The fourth proportional to 13,338.96, 19,950.12 and 9,324.72 is: 13,946.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,338.96 : 19,950.12 = 9,324.72 : x
  2. Step 2: Convert to fraction form
    13,338.96/19,950.12 = 9,324.72/x
  3. Step 3: Cross multiply
    13,338.96x = 19,950.12 × 9,324.72
  4. Step 4: Simplify right side
    13,338.96x = 186,029,282.97
  5. Step 5: Solve for x
    x = 186,029,282.97/13,338.96
  6. Step 6: Final answer
    x = 13,946.31

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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.