Home / 12,020.01-18,013.56-6,757.56

Finding the Fourth Proportional to 12,020.01, 18,013.56 and 6,757.56

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Solution

The fourth proportional to 12,020.01, 18,013.56 and 6,757.56 is: 10,127.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020.01 : 18,013.56 = 6,757.56 : x
  2. Step 2: Convert to fraction form
    12,020.01/18,013.56 = 6,757.56/x
  3. Step 3: Cross multiply
    12,020.01x = 18,013.56 × 6,757.56
  4. Step 4: Simplify right side
    12,020.01x = 121,727,712.51
  5. Step 5: Solve for x
    x = 121,727,712.51/12,020.01
  6. Step 6: Final answer
    x = 10,127.09

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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.