Home / 19,188.11-28,768.70-7,341.39

Finding the Fourth Proportional to 19,188.11, 28,768.70 and 7,341.39

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Solution

The fourth proportional to 19,188.11, 28,768.70 and 7,341.39 is: 11,006.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,188.11 : 28,768.70 = 7,341.39 : x
  2. Step 2: Convert to fraction form
    19,188.11/28,768.70 = 7,341.39/x
  3. Step 3: Cross multiply
    19,188.11x = 28,768.70 × 7,341.39
  4. Step 4: Simplify right side
    19,188.11x = 211,202,264.85
  5. Step 5: Solve for x
    x = 211,202,264.85/19,188.11
  6. Step 6: Final answer
    x = 11,006.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.