Home / 22,908.62-31,613.99-13,354.17

Finding the Fourth Proportional to 22,908.62, 31,613.99 and 13,354.17

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Solution

The fourth proportional to 22,908.62, 31,613.99 and 13,354.17 is: 18,428.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,908.62 : 31,613.99 = 13,354.17 : x
  2. Step 2: Convert to fraction form
    22,908.62/31,613.99 = 13,354.17/x
  3. Step 3: Cross multiply
    22,908.62x = 31,613.99 × 13,354.17
  4. Step 4: Simplify right side
    22,908.62x = 422,178,530.07
  5. Step 5: Solve for x
    x = 422,178,530.07/22,908.62
  6. Step 6: Final answer
    x = 18,428.81

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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.