Home / 21,800.79-30,095.01-16,763.22

Finding the Fourth Proportional to 21,800.79, 30,095.01 and 16,763.22

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Solution

The fourth proportional to 21,800.79, 30,095.01 and 16,763.22 is: 23,140.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,800.79 : 30,095.01 = 16,763.22 : x
  2. Step 2: Convert to fraction form
    21,800.79/30,095.01 = 16,763.22/x
  3. Step 3: Cross multiply
    21,800.79x = 30,095.01 × 16,763.22
  4. Step 4: Simplify right side
    21,800.79x = 504,489,273.53
  5. Step 5: Solve for x
    x = 504,489,273.53/21,800.79
  6. Step 6: Final answer
    x = 23,140.87

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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.