Home / 14,217.34-19,619.64-8,249.59

Finding the Fourth Proportional to 14,217.34, 19,619.64 and 8,249.59

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Solution

The fourth proportional to 14,217.34, 19,619.64 and 8,249.59 is: 11,384.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,217.34 : 19,619.64 = 8,249.59 : x
  2. Step 2: Convert to fraction form
    14,217.34/19,619.64 = 8,249.59/x
  3. Step 3: Cross multiply
    14,217.34x = 19,619.64 × 8,249.59
  4. Step 4: Simplify right side
    14,217.34x = 161,853,985.95
  5. Step 5: Solve for x
    x = 161,853,985.95/14,217.34
  6. Step 6: Final answer
    x = 11,384.27

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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.