Home / 18,882.09-26,050.80-11,709.42

Finding the Fourth Proportional to 18,882.09, 26,050.80 and 11,709.42

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Solution

The fourth proportional to 18,882.09, 26,050.80 and 11,709.42 is: 16,154.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,882.09 : 26,050.80 = 11,709.42 : x
  2. Step 2: Convert to fraction form
    18,882.09/26,050.80 = 11,709.42/x
  3. Step 3: Cross multiply
    18,882.09x = 26,050.80 × 11,709.42
  4. Step 4: Simplify right side
    18,882.09x = 305,039,758.54
  5. Step 5: Solve for x
    x = 305,039,758.54/18,882.09
  6. Step 6: Final answer
    x = 16,154.98

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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.