Home / 23,986.92-33,101.98-13,231.55

Finding the Fourth Proportional to 23,986.92, 33,101.98 and 13,231.55

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Solution

The fourth proportional to 23,986.92, 33,101.98 and 13,231.55 is: 18,259.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,986.92 : 33,101.98 = 13,231.55 : x
  2. Step 2: Convert to fraction form
    23,986.92/33,101.98 = 13,231.55/x
  3. Step 3: Cross multiply
    23,986.92x = 33,101.98 × 13,231.55
  4. Step 4: Simplify right side
    23,986.92x = 437,990,432.10
  5. Step 5: Solve for x
    x = 437,990,432.10/23,986.92
  6. Step 6: Final answer
    x = 18,259.55

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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.