Home / 14,318.07-19,758.91-7,945.64

Finding the Fourth Proportional to 14,318.07, 19,758.91 and 7,945.64

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Solution

The fourth proportional to 14,318.07, 19,758.91 and 7,945.64 is: 10,964.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318.07 : 19,758.91 = 7,945.64 : x
  2. Step 2: Convert to fraction form
    14,318.07/19,758.91 = 7,945.64/x
  3. Step 3: Cross multiply
    14,318.07x = 19,758.91 × 7,945.64
  4. Step 4: Simplify right side
    14,318.07x = 156,997,185.65
  5. Step 5: Solve for x
    x = 156,997,185.65/14,318.07
  6. Step 6: Final answer
    x = 10,964.97

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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.