Home / 16,665.85-22,999.70-9,495.86

Finding the Fourth Proportional to 16,665.85, 22,999.70 and 9,495.86

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Solution

The fourth proportional to 16,665.85, 22,999.70 and 9,495.86 is: 13,104.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,665.85 : 22,999.70 = 9,495.86 : x
  2. Step 2: Convert to fraction form
    16,665.85/22,999.70 = 9,495.86/x
  3. Step 3: Cross multiply
    16,665.85x = 22,999.70 × 9,495.86
  4. Step 4: Simplify right side
    16,665.85x = 218,401,883.76
  5. Step 5: Solve for x
    x = 218,401,883.76/16,665.85
  6. Step 6: Final answer
    x = 13,104.76

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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.