Home / 16,418.22-22,656.21-9,704.47

Finding the Fourth Proportional to 16,418.22, 22,656.21 and 9,704.47

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Solution

The fourth proportional to 16,418.22, 22,656.21 and 9,704.47 is: 13,391.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,418.22 : 22,656.21 = 9,704.47 : x
  2. Step 2: Convert to fraction form
    16,418.22/22,656.21 = 9,704.47/x
  3. Step 3: Cross multiply
    16,418.22x = 22,656.21 × 9,704.47
  4. Step 4: Simplify right side
    16,418.22x = 219,866,510.26
  5. Step 5: Solve for x
    x = 219,866,510.26/16,418.22
  6. Step 6: Final answer
    x = 13,391.62

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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.