Home / 19,521.21-26,939.25-10,568.72

Finding the Fourth Proportional to 19,521.21, 26,939.25 and 10,568.72

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Solution

The fourth proportional to 19,521.21, 26,939.25 and 10,568.72 is: 14,584.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,521.21 : 26,939.25 = 10,568.72 : x
  2. Step 2: Convert to fraction form
    19,521.21/26,939.25 = 10,568.72/x
  3. Step 3: Cross multiply
    19,521.21x = 26,939.25 × 10,568.72
  4. Step 4: Simplify right side
    19,521.21x = 284,713,255.56
  5. Step 5: Solve for x
    x = 284,713,255.56/19,521.21
  6. Step 6: Final answer
    x = 14,584.82

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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.