Home / 19,286.12-26,613.59-10,786.77

Finding the Fourth Proportional to 19,286.12, 26,613.59 and 10,786.77

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Solution

The fourth proportional to 19,286.12, 26,613.59 and 10,786.77 is: 14,885.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,286.12 : 26,613.59 = 10,786.77 : x
  2. Step 2: Convert to fraction form
    19,286.12/26,613.59 = 10,786.77/x
  3. Step 3: Cross multiply
    19,286.12x = 26,613.59 × 10,786.77
  4. Step 4: Simplify right side
    19,286.12x = 287,074,718.87
  5. Step 5: Solve for x
    x = 287,074,718.87/19,286.12
  6. Step 6: Final answer
    x = 14,885.04

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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.