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Finding the Fourth Proportional to 14,813.80, 22,203.74 and 7,011.56

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Solution

The fourth proportional to 14,813.80, 22,203.74 and 7,011.56 is: 10,509.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,813.80 : 22,203.74 = 7,011.56 : x
  2. Step 2: Convert to fraction form
    14,813.80/22,203.74 = 7,011.56/x
  3. Step 3: Cross multiply
    14,813.80x = 22,203.74 × 7,011.56
  4. Step 4: Simplify right side
    14,813.80x = 155,682,855.23
  5. Step 5: Solve for x
    x = 155,682,855.23/14,813.80
  6. Step 6: Final answer
    x = 10,509.31

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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.