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Finding the Fourth Proportional to 14,658.00, 20,227.84 and 7,943.57

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Solution

The fourth proportional to 14,658.00, 20,227.84 and 7,943.57 is: 10,962.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,658.00 : 20,227.84 = 7,943.57 : x
  2. Step 2: Convert to fraction form
    14,658.00/20,227.84 = 7,943.57/x
  3. Step 3: Cross multiply
    14,658.00x = 20,227.84 × 7,943.57
  4. Step 4: Simplify right side
    14,658.00x = 160,681,141.99
  5. Step 5: Solve for x
    x = 160,681,141.99/14,658.00
  6. Step 6: Final answer
    x = 10,962.01

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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.