Home / 18,623.28-25,700.88-10,668

Finding the Fourth Proportional to 18,623.28, 25,700.88 and 10,668

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Solution

The fourth proportional to 18,623.28, 25,700.88 and 10,668 is: 14,722.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,623.28 : 25,700.88 = 10,668 : x
  2. Step 2: Convert to fraction form
    18,623.28/25,700.88 = 10,668/x
  3. Step 3: Cross multiply
    18,623.28x = 25,700.88 × 10,668
  4. Step 4: Simplify right side
    18,623.28x = 274,176,987.84
  5. Step 5: Solve for x
    x = 274,176,987.84/18,623.28
  6. Step 6: Final answer
    x = 14,722.27

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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.