Home / 38,168.56-57,256.62-13,205.08

Finding the Fourth Proportional to 38,168.56, 57,256.62 and 13,205.08

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Solution

The fourth proportional to 38,168.56, 57,256.62 and 13,205.08 is: 19,808.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,168.56 : 57,256.62 = 13,205.08 : x
  2. Step 2: Convert to fraction form
    38,168.56/57,256.62 = 13,205.08/x
  3. Step 3: Cross multiply
    38,168.56x = 57,256.62 × 13,205.08
  4. Step 4: Simplify right side
    38,168.56x = 756,078,247.63
  5. Step 5: Solve for x
    x = 756,078,247.63/38,168.56
  6. Step 6: Final answer
    x = 19,808.93

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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.