Home / 23,149.44-31,946.19-12,539.07

Finding the Fourth Proportional to 23,149.44, 31,946.19 and 12,539.07

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Solution

The fourth proportional to 23,149.44, 31,946.19 and 12,539.07 is: 17,303.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,149.44 : 31,946.19 = 12,539.07 : x
  2. Step 2: Convert to fraction form
    23,149.44/31,946.19 = 12,539.07/x
  3. Step 3: Cross multiply
    23,149.44x = 31,946.19 × 12,539.07
  4. Step 4: Simplify right side
    23,149.44x = 400,575,512.64
  5. Step 5: Solve for x
    x = 400,575,512.64/23,149.44
  6. Step 6: Final answer
    x = 17,303.90

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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.