Home / 22,218.80-33,347.10-9,080.60

Finding the Fourth Proportional to 22,218.80, 33,347.10 and 9,080.60

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Solution

The fourth proportional to 22,218.80, 33,347.10 and 9,080.60 is: 13,628.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,218.80 : 33,347.10 = 9,080.60 : x
  2. Step 2: Convert to fraction form
    22,218.80/33,347.10 = 9,080.60/x
  3. Step 3: Cross multiply
    22,218.80x = 33,347.10 × 9,080.60
  4. Step 4: Simplify right side
    22,218.80x = 302,811,676.26
  5. Step 5: Solve for x
    x = 302,811,676.26/22,218.80
  6. Step 6: Final answer
    x = 13,628.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.