Home / 20,529.08-28,304.96-16,882.38

Finding the Fourth Proportional to 20,529.08, 28,304.96 and 16,882.38

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Solution

The fourth proportional to 20,529.08, 28,304.96 and 16,882.38 is: 23,276.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,529.08 : 28,304.96 = 16,882.38 : x
  2. Step 2: Convert to fraction form
    20,529.08/28,304.96 = 16,882.38/x
  3. Step 3: Cross multiply
    20,529.08x = 28,304.96 × 16,882.38
  4. Step 4: Simplify right side
    20,529.08x = 477,855,006.19
  5. Step 5: Solve for x
    x = 477,855,006.19/20,529.08
  6. Step 6: Final answer
    x = 23,276.99

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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.