Home / 14,169.88-19,554.43-7,882.25

Finding the Fourth Proportional to 14,169.88, 19,554.43 and 7,882.25

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Solution

The fourth proportional to 14,169.88, 19,554.43 and 7,882.25 is: 10,877.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,169.88 : 19,554.43 = 7,882.25 : x
  2. Step 2: Convert to fraction form
    14,169.88/19,554.43 = 7,882.25/x
  3. Step 3: Cross multiply
    14,169.88x = 19,554.43 × 7,882.25
  4. Step 4: Simplify right side
    14,169.88x = 154,132,905.87
  5. Step 5: Solve for x
    x = 154,132,905.87/14,169.88
  6. Step 6: Final answer
    x = 10,877.51

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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.