Home / 18,983.93-26,193.39-11,021.36

Finding the Fourth Proportional to 18,983.93, 26,193.39 and 11,021.36

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Solution

The fourth proportional to 18,983.93, 26,193.39 and 11,021.36 is: 15,206.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,983.93 : 26,193.39 = 11,021.36 : x
  2. Step 2: Convert to fraction form
    18,983.93/26,193.39 = 11,021.36/x
  3. Step 3: Cross multiply
    18,983.93x = 26,193.39 × 11,021.36
  4. Step 4: Simplify right side
    18,983.93x = 288,686,780.81
  5. Step 5: Solve for x
    x = 288,686,780.81/18,983.93
  6. Step 6: Final answer
    x = 15,206.90

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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.