Home / 14,320.73-21,496.82-11,378.09

Finding the Fourth Proportional to 14,320.73, 21,496.82 and 11,378.09

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Solution

The fourth proportional to 14,320.73, 21,496.82 and 11,378.09 is: 17,079.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,320.73 : 21,496.82 = 11,378.09 : x
  2. Step 2: Convert to fraction form
    14,320.73/21,496.82 = 11,378.09/x
  3. Step 3: Cross multiply
    14,320.73x = 21,496.82 × 11,378.09
  4. Step 4: Simplify right side
    14,320.73x = 244,592,695.78
  5. Step 5: Solve for x
    x = 244,592,695.78/14,320.73
  6. Step 6: Final answer
    x = 17,079.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.