Home / 18,963.18-26,164.08-11,406.96

Finding the Fourth Proportional to 18,963.18, 26,164.08 and 11,406.96

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Solution

The fourth proportional to 18,963.18, 26,164.08 and 11,406.96 is: 15,738.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,963.18 : 26,164.08 = 11,406.96 : x
  2. Step 2: Convert to fraction form
    18,963.18/26,164.08 = 11,406.96/x
  3. Step 3: Cross multiply
    18,963.18x = 26,164.08 × 11,406.96
  4. Step 4: Simplify right side
    18,963.18x = 298,452,614.00
  5. Step 5: Solve for x
    x = 298,452,614.00/18,963.18
  6. Step 6: Final answer
    x = 15,738.53

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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.