Home / 13,924.54-19,216.78-7,636.92

Finding the Fourth Proportional to 13,924.54, 19,216.78 and 7,636.92

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Solution

The fourth proportional to 13,924.54, 19,216.78 and 7,636.92 is: 10,539.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,924.54 : 19,216.78 = 7,636.92 : x
  2. Step 2: Convert to fraction form
    13,924.54/19,216.78 = 7,636.92/x
  3. Step 3: Cross multiply
    13,924.54x = 19,216.78 × 7,636.92
  4. Step 4: Simplify right side
    13,924.54x = 146,757,011.52
  5. Step 5: Solve for x
    x = 146,757,011.52/13,924.54
  6. Step 6: Final answer
    x = 10,539.45

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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.