Home / 38,358.81-57,538.82-11,705.36

Finding the Fourth Proportional to 38,358.81, 57,538.82 and 11,705.36

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Solution

The fourth proportional to 38,358.81, 57,538.82 and 11,705.36 is: 17,558.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,358.81 : 57,538.82 = 11,705.36 : x
  2. Step 2: Convert to fraction form
    38,358.81/57,538.82 = 11,705.36/x
  3. Step 3: Cross multiply
    38,358.81x = 57,538.82 × 11,705.36
  4. Step 4: Simplify right side
    38,358.81x = 673,512,343.64
  5. Step 5: Solve for x
    x = 673,512,343.64/38,358.81
  6. Step 6: Final answer
    x = 17,558.22

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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.