Home / 19,786.87-27,306.21-12,233.01

Finding the Fourth Proportional to 19,786.87, 27,306.21 and 12,233.01

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Solution

The fourth proportional to 19,786.87, 27,306.21 and 12,233.01 is: 16,881.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,786.87 : 27,306.21 = 12,233.01 : x
  2. Step 2: Convert to fraction form
    19,786.87/27,306.21 = 12,233.01/x
  3. Step 3: Cross multiply
    19,786.87x = 27,306.21 × 12,233.01
  4. Step 4: Simplify right side
    19,786.87x = 334,037,003.46
  5. Step 5: Solve for x
    x = 334,037,003.46/19,786.87
  6. Step 6: Final answer
    x = 16,881.75

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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.