Home / 27,206.79-40,794.69-13,871.55

Finding the Fourth Proportional to 27,206.79, 40,794.69 and 13,871.55

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Solution

The fourth proportional to 27,206.79, 40,794.69 and 13,871.55 is: 20,799.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,206.79 : 40,794.69 = 13,871.55 : x
  2. Step 2: Convert to fraction form
    27,206.79/40,794.69 = 13,871.55/x
  3. Step 3: Cross multiply
    27,206.79x = 40,794.69 × 13,871.55
  4. Step 4: Simplify right side
    27,206.79x = 565,885,709.04
  5. Step 5: Solve for x
    x = 565,885,709.04/27,206.79
  6. Step 6: Final answer
    x = 20,799.43

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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.