Home / 24,742.80-37,145.88-21,255.12

Finding the Fourth Proportional to 24,742.80, 37,145.88 and 21,255.12

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Solution

The fourth proportional to 24,742.80, 37,145.88 and 21,255.12 is: 31,909.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,742.80 : 37,145.88 = 21,255.12 : x
  2. Step 2: Convert to fraction form
    24,742.80/37,145.88 = 21,255.12/x
  3. Step 3: Cross multiply
    24,742.80x = 37,145.88 × 21,255.12
  4. Step 4: Simplify right side
    24,742.80x = 789,540,136.91
  5. Step 5: Solve for x
    x = 789,540,136.91/24,742.80
  6. Step 6: Final answer
    x = 31,909.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.