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Finding the Fourth Proportional to 22,146.48, 30,544.84 and 14,189.48

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Solution

The fourth proportional to 22,146.48, 30,544.84 and 14,189.48 is: 19,570.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,146.48 : 30,544.84 = 14,189.48 : x
  2. Step 2: Convert to fraction form
    22,146.48/30,544.84 = 14,189.48/x
  3. Step 3: Cross multiply
    22,146.48x = 30,544.84 × 14,189.48
  4. Step 4: Simplify right side
    22,146.48x = 433,415,396.28
  5. Step 5: Solve for x
    x = 433,415,396.28/22,146.48
  6. Step 6: Final answer
    x = 19,570.40

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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.