Home / 18,866.18-28,262.30-10,952.11

Finding the Fourth Proportional to 18,866.18, 28,262.30 and 10,952.11

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Solution

The fourth proportional to 18,866.18, 28,262.30 and 10,952.11 is: 16,406.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,866.18 : 28,262.30 = 10,952.11 : x
  2. Step 2: Convert to fraction form
    18,866.18/28,262.30 = 10,952.11/x
  3. Step 3: Cross multiply
    18,866.18x = 28,262.30 × 10,952.11
  4. Step 4: Simplify right side
    18,866.18x = 309,531,622.38
  5. Step 5: Solve for x
    x = 309,531,622.38/18,866.18
  6. Step 6: Final answer
    x = 16,406.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.