Home / 14,318.65-19,759.85-7,945.27

Finding the Fourth Proportional to 14,318.65, 19,759.85 and 7,945.27

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Solution

The fourth proportional to 14,318.65, 19,759.85 and 7,945.27 is: 10,964.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318.65 : 19,759.85 = 7,945.27 : x
  2. Step 2: Convert to fraction form
    14,318.65/19,759.85 = 7,945.27/x
  3. Step 3: Cross multiply
    14,318.65x = 19,759.85 × 7,945.27
  4. Step 4: Simplify right side
    14,318.65x = 156,997,306.23
  5. Step 5: Solve for x
    x = 156,997,306.23/14,318.65
  6. Step 6: Final answer
    x = 10,964.53

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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.