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Finding the Fourth Proportional to 14,918.36, 22,377.53 and 7,103.48

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Solution

The fourth proportional to 14,918.36, 22,377.53 and 7,103.48 is: 10,655.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,918.36 : 22,377.53 = 7,103.48 : x
  2. Step 2: Convert to fraction form
    14,918.36/22,377.53 = 7,103.48/x
  3. Step 3: Cross multiply
    14,918.36x = 22,377.53 × 7,103.48
  4. Step 4: Simplify right side
    14,918.36x = 158,958,189.40
  5. Step 5: Solve for x
    x = 158,958,189.40/14,918.36
  6. Step 6: Final answer
    x = 10,655.21

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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.