Home / 17,054.12-25,581-6,665.78

Finding the Fourth Proportional to 17,054.12, 25,581 and 6,665.78

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Solution

The fourth proportional to 17,054.12, 25,581 and 6,665.78 is: 9,998.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,054.12 : 25,581 = 6,665.78 : x
  2. Step 2: Convert to fraction form
    17,054.12/25,581 = 6,665.78/x
  3. Step 3: Cross multiply
    17,054.12x = 25,581 × 6,665.78
  4. Step 4: Simplify right side
    17,054.12x = 170,517,318.18
  5. Step 5: Solve for x
    x = 170,517,318.18/17,054.12
  6. Step 6: Final answer
    x = 9,998.60

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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.