Home / 18,228.05-25,154.64-10,675.79

Finding the Fourth Proportional to 18,228.05, 25,154.64 and 10,675.79

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Solution

The fourth proportional to 18,228.05, 25,154.64 and 10,675.79 is: 14,732.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,228.05 : 25,154.64 = 10,675.79 : x
  2. Step 2: Convert to fraction form
    18,228.05/25,154.64 = 10,675.79/x
  3. Step 3: Cross multiply
    18,228.05x = 25,154.64 × 10,675.79
  4. Step 4: Simplify right side
    18,228.05x = 268,545,654.17
  5. Step 5: Solve for x
    x = 268,545,654.17/18,228.05
  6. Step 6: Final answer
    x = 14,732.55

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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.