Home / 38,507.03-57,767.38-13,561.56

Finding the Fourth Proportional to 38,507.03, 57,767.38 and 13,561.56

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Solution

The fourth proportional to 38,507.03, 57,767.38 and 13,561.56 is: 20,344.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,507.03 : 57,767.38 = 13,561.56 : x
  2. Step 2: Convert to fraction form
    38,507.03/57,767.38 = 13,561.56/x
  3. Step 3: Cross multiply
    38,507.03x = 57,767.38 × 13,561.56
  4. Step 4: Simplify right side
    38,507.03x = 783,415,756.01
  5. Step 5: Solve for x
    x = 783,415,756.01/38,507.03
  6. Step 6: Final answer
    x = 20,344.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.