Home / 20,065.05-29,965.79-16,122.29

Finding the Fourth Proportional to 20,065.05, 29,965.79 and 16,122.29

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Solution

The fourth proportional to 20,065.05, 29,965.79 and 16,122.29 is: 24,077.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,065.05 : 29,965.79 = 16,122.29 : x
  2. Step 2: Convert to fraction form
    20,065.05/29,965.79 = 16,122.29/x
  3. Step 3: Cross multiply
    20,065.05x = 29,965.79 × 16,122.29
  4. Step 4: Simplify right side
    20,065.05x = 483,116,926.02
  5. Step 5: Solve for x
    x = 483,116,926.02/20,065.05
  6. Step 6: Final answer
    x = 24,077.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.