Home / 13,882.71-19,152.68-8,568.30

Finding the Fourth Proportional to 13,882.71, 19,152.68 and 8,568.30

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Solution

The fourth proportional to 13,882.71, 19,152.68 and 8,568.30 is: 11,820.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,882.71 : 19,152.68 = 8,568.30 : x
  2. Step 2: Convert to fraction form
    13,882.71/19,152.68 = 8,568.30/x
  3. Step 3: Cross multiply
    13,882.71x = 19,152.68 × 8,568.30
  4. Step 4: Simplify right side
    13,882.71x = 164,105,908.04
  5. Step 5: Solve for x
    x = 164,105,908.04/13,882.71
  6. Step 6: Final answer
    x = 11,820.88

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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.