Home / 25,536.76-35,202.32-20,149.91

Finding the Fourth Proportional to 25,536.76, 35,202.32 and 20,149.91

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Solution

The fourth proportional to 25,536.76, 35,202.32 and 20,149.91 is: 27,776.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,536.76 : 35,202.32 = 20,149.91 : x
  2. Step 2: Convert to fraction form
    25,536.76/35,202.32 = 20,149.91/x
  3. Step 3: Cross multiply
    25,536.76x = 35,202.32 × 20,149.91
  4. Step 4: Simplify right side
    25,536.76x = 709,323,303.03
  5. Step 5: Solve for x
    x = 709,323,303.03/25,536.76
  6. Step 6: Final answer
    x = 27,776.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.