Home / 14,438.25-19,924.79-8,151.03

Finding the Fourth Proportional to 14,438.25, 19,924.79 and 8,151.03

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Solution

The fourth proportional to 14,438.25, 19,924.79 and 8,151.03 is: 11,248.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,438.25 : 19,924.79 = 8,151.03 : x
  2. Step 2: Convert to fraction form
    14,438.25/19,924.79 = 8,151.03/x
  3. Step 3: Cross multiply
    14,438.25x = 19,924.79 × 8,151.03
  4. Step 4: Simplify right side
    14,438.25x = 162,407,520.28
  5. Step 5: Solve for x
    x = 162,407,520.28/14,438.25
  6. Step 6: Final answer
    x = 11,248.42

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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.