Home / 14,439.25-19,926.17-8,151.63

Finding the Fourth Proportional to 14,439.25, 19,926.17 and 8,151.63

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Solution

The fourth proportional to 14,439.25, 19,926.17 and 8,151.63 is: 11,249.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,439.25 : 19,926.17 = 8,151.63 : x
  2. Step 2: Convert to fraction form
    14,439.25/19,926.17 = 8,151.63/x
  3. Step 3: Cross multiply
    14,439.25x = 19,926.17 × 8,151.63
  4. Step 4: Simplify right side
    14,439.25x = 162,430,765.16
  5. Step 5: Solve for x
    x = 162,430,765.16/14,439.25
  6. Step 6: Final answer
    x = 11,249.25

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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.