Home / 14,338.52-19,787.41-7,965.69

Finding the Fourth Proportional to 14,338.52, 19,787.41 and 7,965.69

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Solution

The fourth proportional to 14,338.52, 19,787.41 and 7,965.69 is: 10,992.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,338.52 : 19,787.41 = 7,965.69 : x
  2. Step 2: Convert to fraction form
    14,338.52/19,787.41 = 7,965.69/x
  3. Step 3: Cross multiply
    14,338.52x = 19,787.41 × 7,965.69
  4. Step 4: Simplify right side
    14,338.52x = 157,620,373.96
  5. Step 5: Solve for x
    x = 157,620,373.96/14,338.52
  6. Step 6: Final answer
    x = 10,992.79

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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.