Home / 18,740.46-25,866.90-11,662.68

Finding the Fourth Proportional to 18,740.46, 25,866.90 and 11,662.68

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Solution

The fourth proportional to 18,740.46, 25,866.90 and 11,662.68 is: 16,097.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,740.46 : 25,866.90 = 11,662.68 : x
  2. Step 2: Convert to fraction form
    18,740.46/25,866.90 = 11,662.68/x
  3. Step 3: Cross multiply
    18,740.46x = 25,866.90 × 11,662.68
  4. Step 4: Simplify right side
    18,740.46x = 301,677,377.29
  5. Step 5: Solve for x
    x = 301,677,377.29/18,740.46
  6. Step 6: Final answer
    x = 16,097.65

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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.