Home / 14,230.74-19,636.61-7,943.38

Finding the Fourth Proportional to 14,230.74, 19,636.61 and 7,943.38

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Solution

The fourth proportional to 14,230.74, 19,636.61 and 7,943.38 is: 10,960.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,230.74 : 19,636.61 = 7,943.38 : x
  2. Step 2: Convert to fraction form
    14,230.74/19,636.61 = 7,943.38/x
  3. Step 3: Cross multiply
    14,230.74x = 19,636.61 × 7,943.38
  4. Step 4: Simplify right side
    14,230.74x = 155,981,055.14
  5. Step 5: Solve for x
    x = 155,981,055.14/14,230.74
  6. Step 6: Final answer
    x = 10,960.85

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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.