Home / 13,922.52-19,212.66-7,634.76

Finding the Fourth Proportional to 13,922.52, 19,212.66 and 7,634.76

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Solution

The fourth proportional to 13,922.52, 19,212.66 and 7,634.76 is: 10,535.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,922.52 : 19,212.66 = 7,634.76 : x
  2. Step 2: Convert to fraction form
    13,922.52/19,212.66 = 7,634.76/x
  3. Step 3: Cross multiply
    13,922.52x = 19,212.66 × 7,634.76
  4. Step 4: Simplify right side
    13,922.52x = 146,684,048.06
  5. Step 5: Solve for x
    x = 146,684,048.06/13,922.52
  6. Step 6: Final answer
    x = 10,535.74

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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.