Home / 14,170.28-19,554.99-7,882.65

Finding the Fourth Proportional to 14,170.28, 19,554.99 and 7,882.65

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Solution

The fourth proportional to 14,170.28, 19,554.99 and 7,882.65 is: 10,878.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,170.28 : 19,554.99 = 7,882.65 : x
  2. Step 2: Convert to fraction form
    14,170.28/19,554.99 = 7,882.65/x
  3. Step 3: Cross multiply
    14,170.28x = 19,554.99 × 7,882.65
  4. Step 4: Simplify right side
    14,170.28x = 154,145,112.36
  5. Step 5: Solve for x
    x = 154,145,112.36/14,170.28
  6. Step 6: Final answer
    x = 10,878.06

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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.