Home / 16,821.63-25,234.89-5,133.33

Finding the Fourth Proportional to 16,821.63, 25,234.89 and 5,133.33

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Solution

The fourth proportional to 16,821.63, 25,234.89 and 5,133.33 is: 7,700.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,821.63 : 25,234.89 = 5,133.33 : x
  2. Step 2: Convert to fraction form
    16,821.63/25,234.89 = 5,133.33/x
  3. Step 3: Cross multiply
    16,821.63x = 25,234.89 × 5,133.33
  4. Step 4: Simplify right side
    16,821.63x = 129,539,017.88
  5. Step 5: Solve for x
    x = 129,539,017.88/16,821.63
  6. Step 6: Final answer
    x = 7,700.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.