Home / 18,962.96-26,172.08-11,011.84

Finding the Fourth Proportional to 18,962.96, 26,172.08 and 11,011.84

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Solution

The fourth proportional to 18,962.96, 26,172.08 and 11,011.84 is: 15,198.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,962.96 : 26,172.08 = 11,011.84 : x
  2. Step 2: Convert to fraction form
    18,962.96/26,172.08 = 11,011.84/x
  3. Step 3: Cross multiply
    18,962.96x = 26,172.08 × 11,011.84
  4. Step 4: Simplify right side
    18,962.96x = 288,202,757.43
  5. Step 5: Solve for x
    x = 288,202,757.43/18,962.96
  6. Step 6: Final answer
    x = 15,198.19

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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.