Home / 22,276.68-30,740.49-12,203.34

Finding the Fourth Proportional to 22,276.68, 30,740.49 and 12,203.34

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Solution

The fourth proportional to 22,276.68, 30,740.49 and 12,203.34 is: 16,839.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,276.68 : 30,740.49 = 12,203.34 : x
  2. Step 2: Convert to fraction form
    22,276.68/30,740.49 = 12,203.34/x
  3. Step 3: Cross multiply
    22,276.68x = 30,740.49 × 12,203.34
  4. Step 4: Simplify right side
    22,276.68x = 375,136,651.24
  5. Step 5: Solve for x
    x = 375,136,651.24/22,276.68
  6. Step 6: Final answer
    x = 16,839.88

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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.