Home / 32,629.55-45,028.74-18,485.12

Finding the Fourth Proportional to 32,629.55, 45,028.74 and 18,485.12

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Solution

The fourth proportional to 32,629.55, 45,028.74 and 18,485.12 is: 25,509.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,629.55 : 45,028.74 = 18,485.12 : x
  2. Step 2: Convert to fraction form
    32,629.55/45,028.74 = 18,485.12/x
  3. Step 3: Cross multiply
    32,629.55x = 45,028.74 × 18,485.12
  4. Step 4: Simplify right side
    32,629.55x = 832,361,662.35
  5. Step 5: Solve for x
    x = 832,361,662.35/32,629.55
  6. Step 6: Final answer
    x = 25,509.44

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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.