Home / 15,367.03-21,204.74-8,652.49

Finding the Fourth Proportional to 15,367.03, 21,204.74 and 8,652.49

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Solution

The fourth proportional to 15,367.03, 21,204.74 and 8,652.49 is: 11,939.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,367.03 : 21,204.74 = 8,652.49 : x
  2. Step 2: Convert to fraction form
    15,367.03/21,204.74 = 8,652.49/x
  3. Step 3: Cross multiply
    15,367.03x = 21,204.74 × 8,652.49
  4. Step 4: Simplify right side
    15,367.03x = 183,473,769.42
  5. Step 5: Solve for x
    x = 183,473,769.42/15,367.03
  6. Step 6: Final answer
    x = 11,939.44

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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.