Home / 16,961.22-23,421.69-11,002.50

Finding the Fourth Proportional to 16,961.22, 23,421.69 and 11,002.50

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Solution

The fourth proportional to 16,961.22, 23,421.69 and 11,002.50 is: 15,193.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,961.22 : 23,421.69 = 11,002.50 : x
  2. Step 2: Convert to fraction form
    16,961.22/23,421.69 = 11,002.50/x
  3. Step 3: Cross multiply
    16,961.22x = 23,421.69 × 11,002.50
  4. Step 4: Simplify right side
    16,961.22x = 257,697,144.23
  5. Step 5: Solve for x
    x = 257,697,144.23/16,961.22
  6. Step 6: Final answer
    x = 15,193.31

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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.