Home / 19,332.69-26,678.66-11,375.43

Finding the Fourth Proportional to 19,332.69, 26,678.66 and 11,375.43

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Solution

The fourth proportional to 19,332.69, 26,678.66 and 11,375.43 is: 15,697.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,332.69 : 26,678.66 = 11,375.43 : x
  2. Step 2: Convert to fraction form
    19,332.69/26,678.66 = 11,375.43/x
  3. Step 3: Cross multiply
    19,332.69x = 26,678.66 × 11,375.43
  4. Step 4: Simplify right side
    19,332.69x = 303,481,105.75
  5. Step 5: Solve for x
    x = 303,481,105.75/19,332.69
  6. Step 6: Final answer
    x = 15,697.82

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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.