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Finding the Fourth Proportional to 22,266.70, 30,713.26 and 14,318.98

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Solution

The fourth proportional to 22,266.70, 30,713.26 and 14,318.98 is: 19,750.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,266.70 : 30,713.26 = 14,318.98 : x
  2. Step 2: Convert to fraction form
    22,266.70/30,713.26 = 14,318.98/x
  3. Step 3: Cross multiply
    22,266.70x = 30,713.26 × 14,318.98
  4. Step 4: Simplify right side
    22,266.70x = 439,782,330.51
  5. Step 5: Solve for x
    x = 439,782,330.51/22,266.70
  6. Step 6: Final answer
    x = 19,750.68

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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.