Home / 13,909.54-19,195.24-7,622.14

Finding the Fourth Proportional to 13,909.54, 19,195.24 and 7,622.14

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Solution

The fourth proportional to 13,909.54, 19,195.24 and 7,622.14 is: 10,518.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,909.54 : 19,195.24 = 7,622.14 : x
  2. Step 2: Convert to fraction form
    13,909.54/19,195.24 = 7,622.14/x
  3. Step 3: Cross multiply
    13,909.54x = 19,195.24 × 7,622.14
  4. Step 4: Simplify right side
    13,909.54x = 146,308,806.61
  5. Step 5: Solve for x
    x = 146,308,806.61/13,909.54
  6. Step 6: Final answer
    x = 10,518.59

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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.