Home / 23,631.84-32,611.68-13,422.80

Finding the Fourth Proportional to 23,631.84, 32,611.68 and 13,422.80

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Solution

The fourth proportional to 23,631.84, 32,611.68 and 13,422.80 is: 18,523.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,631.84 : 32,611.68 = 13,422.80 : x
  2. Step 2: Convert to fraction form
    23,631.84/32,611.68 = 13,422.80/x
  3. Step 3: Cross multiply
    23,631.84x = 32,611.68 × 13,422.80
  4. Step 4: Simplify right side
    23,631.84x = 437,739,991.19
  5. Step 5: Solve for x
    x = 437,739,991.19/23,631.84
  6. Step 6: Final answer
    x = 18,523.31

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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.