Home / 23,539.99-32,485.16-12,930.31

Finding the Fourth Proportional to 23,539.99, 32,485.16 and 12,930.31

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Solution

The fourth proportional to 23,539.99, 32,485.16 and 12,930.31 is: 17,843.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,539.99 : 32,485.16 = 12,930.31 : x
  2. Step 2: Convert to fraction form
    23,539.99/32,485.16 = 12,930.31/x
  3. Step 3: Cross multiply
    23,539.99x = 32,485.16 × 12,930.31
  4. Step 4: Simplify right side
    23,539.99x = 420,043,189.20
  5. Step 5: Solve for x
    x = 420,043,189.20/23,539.99
  6. Step 6: Final answer
    x = 17,843.81

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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.