Home / 19,960.39-27,545.52-11,007.67

Finding the Fourth Proportional to 19,960.39, 27,545.52 and 11,007.67

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Solution

The fourth proportional to 19,960.39, 27,545.52 and 11,007.67 is: 15,190.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,960.39 : 27,545.52 = 11,007.67 : x
  2. Step 2: Convert to fraction form
    19,960.39/27,545.52 = 11,007.67/x
  3. Step 3: Cross multiply
    19,960.39x = 27,545.52 × 11,007.67
  4. Step 4: Simplify right side
    19,960.39x = 303,211,994.14
  5. Step 5: Solve for x
    x = 303,211,994.14/19,960.39
  6. Step 6: Final answer
    x = 15,190.68

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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.