Home / 38,202.16-57,303.26-13,242.21

Finding the Fourth Proportional to 38,202.16, 57,303.26 and 13,242.21

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Solution

The fourth proportional to 38,202.16, 57,303.26 and 13,242.21 is: 19,863.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,202.16 : 57,303.26 = 13,242.21 : x
  2. Step 2: Convert to fraction form
    38,202.16/57,303.26 = 13,242.21/x
  3. Step 3: Cross multiply
    38,202.16x = 57,303.26 × 13,242.21
  4. Step 4: Simplify right side
    38,202.16x = 758,821,593.14
  5. Step 5: Solve for x
    x = 758,821,593.14/38,202.16
  6. Step 6: Final answer
    x = 19,863.32

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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.