Home / 18,711.30-25,822.44-10,756.02

Finding the Fourth Proportional to 18,711.30, 25,822.44 and 10,756.02

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Solution

The fourth proportional to 18,711.30, 25,822.44 and 10,756.02 is: 14,843.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,711.30 : 25,822.44 = 10,756.02 : x
  2. Step 2: Convert to fraction form
    18,711.30/25,822.44 = 10,756.02/x
  3. Step 3: Cross multiply
    18,711.30x = 25,822.44 × 10,756.02
  4. Step 4: Simplify right side
    18,711.30x = 277,746,681.09
  5. Step 5: Solve for x
    x = 277,746,681.09/18,711.30
  6. Step 6: Final answer
    x = 14,843.79

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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.