Home / 25,927.45-38,858.81-11,119.21

Finding the Fourth Proportional to 25,927.45, 38,858.81 and 11,119.21

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Solution

The fourth proportional to 25,927.45, 38,858.81 and 11,119.21 is: 16,664.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,927.45 : 38,858.81 = 11,119.21 : x
  2. Step 2: Convert to fraction form
    25,927.45/38,858.81 = 11,119.21/x
  3. Step 3: Cross multiply
    25,927.45x = 38,858.81 × 11,119.21
  4. Step 4: Simplify right side
    25,927.45x = 432,079,116.00
  5. Step 5: Solve for x
    x = 432,079,116.00/25,927.45
  6. Step 6: Final answer
    x = 16,664.93

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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.