Home / 13,924.90-19,216.41-7,637.38

Finding the Fourth Proportional to 13,924.90, 19,216.41 and 7,637.38

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Solution

The fourth proportional to 13,924.90, 19,216.41 and 7,637.38 is: 10,539.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,924.90 : 19,216.41 = 7,637.38 : x
  2. Step 2: Convert to fraction form
    13,924.90/19,216.41 = 7,637.38/x
  3. Step 3: Cross multiply
    13,924.90x = 19,216.41 × 7,637.38
  4. Step 4: Simplify right side
    13,924.90x = 146,763,025.41
  5. Step 5: Solve for x
    x = 146,763,025.41/13,924.90
  6. Step 6: Final answer
    x = 10,539.61

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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.