Home / 16,909.80-25,368.30-5,224.20

Finding the Fourth Proportional to 16,909.80, 25,368.30 and 5,224.20

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Solution

The fourth proportional to 16,909.80, 25,368.30 and 5,224.20 is: 7,837.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,909.80 : 25,368.30 = 5,224.20 : x
  2. Step 2: Convert to fraction form
    16,909.80/25,368.30 = 5,224.20/x
  3. Step 3: Cross multiply
    16,909.80x = 25,368.30 × 5,224.20
  4. Step 4: Simplify right side
    16,909.80x = 132,529,072.86
  5. Step 5: Solve for x
    x = 132,529,072.86/16,909.80
  6. Step 6: Final answer
    x = 7,837.41

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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.