Home / 16,747.80-23,109.96-9,940.74

Finding the Fourth Proportional to 16,747.80, 23,109.96 and 9,940.74

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Solution

The fourth proportional to 16,747.80, 23,109.96 and 9,940.74 is: 13,717.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,747.80 : 23,109.96 = 9,940.74 : x
  2. Step 2: Convert to fraction form
    16,747.80/23,109.96 = 9,940.74/x
  3. Step 3: Cross multiply
    16,747.80x = 23,109.96 × 9,940.74
  4. Step 4: Simplify right side
    16,747.80x = 229,730,103.77
  5. Step 5: Solve for x
    x = 229,730,103.77/16,747.80
  6. Step 6: Final answer
    x = 13,717.03

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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.