Home / 16,805.80-23,190.62-9,732.68

Finding the Fourth Proportional to 16,805.80, 23,190.62 and 9,732.68

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Solution

The fourth proportional to 16,805.80, 23,190.62 and 9,732.68 is: 13,430.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,805.80 : 23,190.62 = 9,732.68 : x
  2. Step 2: Convert to fraction form
    16,805.80/23,190.62 = 9,732.68/x
  3. Step 3: Cross multiply
    16,805.80x = 23,190.62 × 9,732.68
  4. Step 4: Simplify right side
    16,805.80x = 225,706,883.46
  5. Step 5: Solve for x
    x = 225,706,883.46/16,805.80
  6. Step 6: Final answer
    x = 13,430.30

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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.