Home / 21,623.24-29,837.94-12,193.40

Finding the Fourth Proportional to 21,623.24, 29,837.94 and 12,193.40

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Solution

The fourth proportional to 21,623.24, 29,837.94 and 12,193.40 is: 16,825.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,623.24 : 29,837.94 = 12,193.40 : x
  2. Step 2: Convert to fraction form
    21,623.24/29,837.94 = 12,193.40/x
  3. Step 3: Cross multiply
    21,623.24x = 29,837.94 × 12,193.40
  4. Step 4: Simplify right side
    21,623.24x = 363,825,937.60
  5. Step 5: Solve for x
    x = 363,825,937.60/21,623.24
  6. Step 6: Final answer
    x = 16,825.69

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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.