Home / 16,720.24-23,070.14-11,343.41

Finding the Fourth Proportional to 16,720.24, 23,070.14 and 11,343.41

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Solution

The fourth proportional to 16,720.24, 23,070.14 and 11,343.41 is: 15,651.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,720.24 : 23,070.14 = 11,343.41 : x
  2. Step 2: Convert to fraction form
    16,720.24/23,070.14 = 11,343.41/x
  3. Step 3: Cross multiply
    16,720.24x = 23,070.14 × 11,343.41
  4. Step 4: Simplify right side
    16,720.24x = 261,694,000.06
  5. Step 5: Solve for x
    x = 261,694,000.06/16,720.24
  6. Step 6: Final answer
    x = 15,651.33

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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.