Home / 21,467.32-29,624.92-11,908.69

Finding the Fourth Proportional to 21,467.32, 29,624.92 and 11,908.69

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Solution

The fourth proportional to 21,467.32, 29,624.92 and 11,908.69 is: 16,434.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,467.32 : 29,624.92 = 11,908.69 : x
  2. Step 2: Convert to fraction form
    21,467.32/29,624.92 = 11,908.69/x
  3. Step 3: Cross multiply
    21,467.32x = 29,624.92 × 11,908.69
  4. Step 4: Simplify right side
    21,467.32x = 352,793,884.72
  5. Step 5: Solve for x
    x = 352,793,884.72/21,467.32
  6. Step 6: Final answer
    x = 16,434.00

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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.