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Finding the Fourth Proportional to 22,254.39, 30,710.39 and 13,180.19

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Solution

The fourth proportional to 22,254.39, 30,710.39 and 13,180.19 is: 18,188.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,254.39 : 30,710.39 = 13,180.19 : x
  2. Step 2: Convert to fraction form
    22,254.39/30,710.39 = 13,180.19/x
  3. Step 3: Cross multiply
    22,254.39x = 30,710.39 × 13,180.19
  4. Step 4: Simplify right side
    22,254.39x = 404,768,555.72
  5. Step 5: Solve for x
    x = 404,768,555.72/22,254.39
  6. Step 6: Final answer
    x = 18,188.26

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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.