Home / 38,168.81-57,257.14-13,208.81

Finding the Fourth Proportional to 38,168.81, 57,257.14 and 13,208.81

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Solution

The fourth proportional to 38,168.81, 57,257.14 and 13,208.81 is: 19,814.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,168.81 : 57,257.14 = 13,208.81 : x
  2. Step 2: Convert to fraction form
    38,168.81/57,257.14 = 13,208.81/x
  3. Step 3: Cross multiply
    38,168.81x = 57,257.14 × 13,208.81
  4. Step 4: Simplify right side
    38,168.81x = 756,298,617.36
  5. Step 5: Solve for x
    x = 756,298,617.36/38,168.81
  6. Step 6: Final answer
    x = 19,814.57

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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.