Home / 38,005.50-57,015.81-11,709.12

Finding the Fourth Proportional to 38,005.50, 57,015.81 and 11,709.12

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Solution

The fourth proportional to 38,005.50, 57,015.81 and 11,709.12 is: 17,566.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,005.50 : 57,015.81 = 11,709.12 : x
  2. Step 2: Convert to fraction form
    38,005.50/57,015.81 = 11,709.12/x
  3. Step 3: Cross multiply
    38,005.50x = 57,015.81 × 11,709.12
  4. Step 4: Simplify right side
    38,005.50x = 667,604,961.19
  5. Step 5: Solve for x
    x = 667,604,961.19/38,005.50
  6. Step 6: Final answer
    x = 17,566.01

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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.