Home / 18,903.21-26,086.04-11,833.53

Finding the Fourth Proportional to 18,903.21, 26,086.04 and 11,833.53

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Solution

The fourth proportional to 18,903.21, 26,086.04 and 11,833.53 is: 16,330.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,903.21 : 26,086.04 = 11,833.53 : x
  2. Step 2: Convert to fraction form
    18,903.21/26,086.04 = 11,833.53/x
  3. Step 3: Cross multiply
    18,903.21x = 26,086.04 × 11,833.53
  4. Step 4: Simplify right side
    18,903.21x = 308,689,877.75
  5. Step 5: Solve for x
    x = 308,689,877.75/18,903.21
  6. Step 6: Final answer
    x = 16,330.02

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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.