Home / 16,720.49-23,073.76-9,166.62

Finding the Fourth Proportional to 16,720.49, 23,073.76 and 9,166.62

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Solution

The fourth proportional to 16,720.49, 23,073.76 and 9,166.62 is: 12,649.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,720.49 : 23,073.76 = 9,166.62 : x
  2. Step 2: Convert to fraction form
    16,720.49/23,073.76 = 9,166.62/x
  3. Step 3: Cross multiply
    16,720.49x = 23,073.76 × 9,166.62
  4. Step 4: Simplify right side
    16,720.49x = 211,508,504.10
  5. Step 5: Solve for x
    x = 211,508,504.10/16,720.49
  6. Step 6: Final answer
    x = 12,649.66

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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.