Home / 20,317.36-30,536.19-19,765.14

Finding the Fourth Proportional to 20,317.36, 30,536.19 and 19,765.14

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Solution

The fourth proportional to 20,317.36, 30,536.19 and 19,765.14 is: 29,706.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,317.36 : 30,536.19 = 19,765.14 : x
  2. Step 2: Convert to fraction form
    20,317.36/30,536.19 = 19,765.14/x
  3. Step 3: Cross multiply
    20,317.36x = 30,536.19 × 19,765.14
  4. Step 4: Simplify right side
    20,317.36x = 603,552,070.42
  5. Step 5: Solve for x
    x = 603,552,070.42/20,317.36
  6. Step 6: Final answer
    x = 29,706.23

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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.