Home / 12,066.15-18,136.13-11,807.76

Finding the Fourth Proportional to 12,066.15, 18,136.13 and 11,807.76

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Solution

The fourth proportional to 12,066.15, 18,136.13 and 11,807.76 is: 17,747.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,066.15 : 18,136.13 = 11,807.76 : x
  2. Step 2: Convert to fraction form
    12,066.15/18,136.13 = 11,807.76/x
  3. Step 3: Cross multiply
    12,066.15x = 18,136.13 × 11,807.76
  4. Step 4: Simplify right side
    12,066.15x = 214,147,011.33
  5. Step 5: Solve for x
    x = 214,147,011.33/12,066.15
  6. Step 6: Final answer
    x = 17,747.75

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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.