Home / 22,213.04-33,253.14-13,421.30

Finding the Fourth Proportional to 22,213.04, 33,253.14 and 13,421.30

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Solution

The fourth proportional to 22,213.04, 33,253.14 and 13,421.30 is: 20,091.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,213.04 : 33,253.14 = 13,421.30 : x
  2. Step 2: Convert to fraction form
    22,213.04/33,253.14 = 13,421.30/x
  3. Step 3: Cross multiply
    22,213.04x = 33,253.14 × 13,421.30
  4. Step 4: Simplify right side
    22,213.04x = 446,300,367.88
  5. Step 5: Solve for x
    x = 446,300,367.88/22,213.04
  6. Step 6: Final answer
    x = 20,091.82

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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.