Home / 21,225.92-29,288.32-11,794.24

Finding the Fourth Proportional to 21,225.92, 29,288.32 and 11,794.24

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Solution

The fourth proportional to 21,225.92, 29,288.32 and 11,794.24 is: 16,274.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,225.92 : 29,288.32 = 11,794.24 : x
  2. Step 2: Convert to fraction form
    21,225.92/29,288.32 = 11,794.24/x
  3. Step 3: Cross multiply
    21,225.92x = 29,288.32 × 11,794.24
  4. Step 4: Simplify right side
    21,225.92x = 345,433,475.28
  5. Step 5: Solve for x
    x = 345,433,475.28/21,225.92
  6. Step 6: Final answer
    x = 16,274.13

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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.