Home / 16,789.99-23,170.97-9,715.04

Finding the Fourth Proportional to 16,789.99, 23,170.97 and 9,715.04

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Solution

The fourth proportional to 16,789.99, 23,170.97 and 9,715.04 is: 13,407.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,789.99 : 23,170.97 = 9,715.04 : x
  2. Step 2: Convert to fraction form
    16,789.99/23,170.97 = 9,715.04/x
  3. Step 3: Cross multiply
    16,789.99x = 23,170.97 × 9,715.04
  4. Step 4: Simplify right side
    16,789.99x = 225,106,851.81
  5. Step 5: Solve for x
    x = 225,106,851.81/16,789.99
  6. Step 6: Final answer
    x = 13,407.21

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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.