Home / 22,107.33-30,503.39-13,153.08

Finding the Fourth Proportional to 22,107.33, 30,503.39 and 13,153.08

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Solution

The fourth proportional to 22,107.33, 30,503.39 and 13,153.08 is: 18,148.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,107.33 : 30,503.39 = 13,153.08 : x
  2. Step 2: Convert to fraction form
    22,107.33/30,503.39 = 13,153.08/x
  3. Step 3: Cross multiply
    22,107.33x = 30,503.39 × 13,153.08
  4. Step 4: Simplify right side
    22,107.33x = 401,213,528.94
  5. Step 5: Solve for x
    x = 401,213,528.94/22,107.33
  6. Step 6: Final answer
    x = 18,148.44

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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.