Home / 25,484.85-35,202.74-21,249.77

Finding the Fourth Proportional to 25,484.85, 35,202.74 and 21,249.77

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Solution

The fourth proportional to 25,484.85, 35,202.74 and 21,249.77 is: 29,352.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,484.85 : 35,202.74 = 21,249.77 : x
  2. Step 2: Convert to fraction form
    25,484.85/35,202.74 = 21,249.77/x
  3. Step 3: Cross multiply
    25,484.85x = 35,202.74 × 21,249.77
  4. Step 4: Simplify right side
    25,484.85x = 748,049,846.11
  5. Step 5: Solve for x
    x = 748,049,846.11/25,484.85
  6. Step 6: Final answer
    x = 29,352.73

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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.