Home / 22,421.72-33,636.68-9,266.96

Finding the Fourth Proportional to 22,421.72, 33,636.68 and 9,266.96

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Solution

The fourth proportional to 22,421.72, 33,636.68 and 9,266.96 is: 13,902.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,421.72 : 33,636.68 = 9,266.96 : x
  2. Step 2: Convert to fraction form
    22,421.72/33,636.68 = 9,266.96/x
  3. Step 3: Cross multiply
    22,421.72x = 33,636.68 × 9,266.96
  4. Step 4: Simplify right side
    22,421.72x = 311,709,768.09
  5. Step 5: Solve for x
    x = 311,709,768.09/22,421.72
  6. Step 6: Final answer
    x = 13,902.13

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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.