Home / 18,933.74-26,133.01-11,769.06

Finding the Fourth Proportional to 18,933.74, 26,133.01 and 11,769.06

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Solution

The fourth proportional to 18,933.74, 26,133.01 and 11,769.06 is: 16,244.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,933.74 : 26,133.01 = 11,769.06 : x
  2. Step 2: Convert to fraction form
    18,933.74/26,133.01 = 11,769.06/x
  3. Step 3: Cross multiply
    18,933.74x = 26,133.01 × 11,769.06
  4. Step 4: Simplify right side
    18,933.74x = 307,560,962.67
  5. Step 5: Solve for x
    x = 307,560,962.67/18,933.74
  6. Step 6: Final answer
    x = 16,244.07

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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.