Home / 20,362.53-30,525.01-14,125.49

Finding the Fourth Proportional to 20,362.53, 30,525.01 and 14,125.49

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Solution

The fourth proportional to 20,362.53, 30,525.01 and 14,125.49 is: 21,175.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,362.53 : 30,525.01 = 14,125.49 : x
  2. Step 2: Convert to fraction form
    20,362.53/30,525.01 = 14,125.49/x
  3. Step 3: Cross multiply
    20,362.53x = 30,525.01 × 14,125.49
  4. Step 4: Simplify right side
    20,362.53x = 431,180,650.03
  5. Step 5: Solve for x
    x = 431,180,650.03/20,362.53
  6. Step 6: Final answer
    x = 21,175.20

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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.