Home / 14,013.05-19,338.01-7,725.42

Finding the Fourth Proportional to 14,013.05, 19,338.01 and 7,725.42

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Solution

The fourth proportional to 14,013.05, 19,338.01 and 7,725.42 is: 10,661.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,013.05 : 19,338.01 = 7,725.42 : x
  2. Step 2: Convert to fraction form
    14,013.05/19,338.01 = 7,725.42/x
  3. Step 3: Cross multiply
    14,013.05x = 19,338.01 × 7,725.42
  4. Step 4: Simplify right side
    14,013.05x = 149,394,229.90
  5. Step 5: Solve for x
    x = 149,394,229.90/14,013.05
  6. Step 6: Final answer
    x = 10,661.08

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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.