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Finding the Fourth Proportional to 14,417.96, 19,900.41 and 8,133.98

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Solution

The fourth proportional to 14,417.96, 19,900.41 and 8,133.98 is: 11,226.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,417.96 : 19,900.41 = 8,133.98 : x
  2. Step 2: Convert to fraction form
    14,417.96/19,900.41 = 8,133.98/x
  3. Step 3: Cross multiply
    14,417.96x = 19,900.41 × 8,133.98
  4. Step 4: Simplify right side
    14,417.96x = 161,869,536.93
  5. Step 5: Solve for x
    x = 161,869,536.93/14,417.96
  6. Step 6: Final answer
    x = 11,226.94

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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.