Home / 14,228.99-19,634.92-8,259.69

Finding the Fourth Proportional to 14,228.99, 19,634.92 and 8,259.69

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Solution

The fourth proportional to 14,228.99, 19,634.92 and 8,259.69 is: 11,397.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,228.99 : 19,634.92 = 8,259.69 : x
  2. Step 2: Convert to fraction form
    14,228.99/19,634.92 = 8,259.69/x
  3. Step 3: Cross multiply
    14,228.99x = 19,634.92 × 8,259.69
  4. Step 4: Simplify right side
    14,228.99x = 162,178,352.37
  5. Step 5: Solve for x
    x = 162,178,352.37/14,228.99
  6. Step 6: Final answer
    x = 11,397.74

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Half scale
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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.