Home / 18,126.28-25,017.00-11,056.80

Finding the Fourth Proportional to 18,126.28, 25,017.00 and 11,056.80

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Solution

The fourth proportional to 18,126.28, 25,017.00 and 11,056.80 is: 15,260.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126.28 : 25,017.00 = 11,056.80 : x
  2. Step 2: Convert to fraction form
    18,126.28/25,017.00 = 11,056.80/x
  3. Step 3: Cross multiply
    18,126.28x = 25,017.00 × 11,056.80
  4. Step 4: Simplify right side
    18,126.28x = 276,608,080.15
  5. Step 5: Solve for x
    x = 276,608,080.15/18,126.28
  6. Step 6: Final answer
    x = 15,260.06

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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.