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Finding the Fourth Proportional to 14,672.57, 22,039.29 and 11,864.57

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Solution

The fourth proportional to 14,672.57, 22,039.29 and 11,864.57 is: 17,821.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,672.57 : 22,039.29 = 11,864.57 : x
  2. Step 2: Convert to fraction form
    14,672.57/22,039.29 = 11,864.57/x
  3. Step 3: Cross multiply
    14,672.57x = 22,039.29 × 11,864.57
  4. Step 4: Simplify right side
    14,672.57x = 261,486,588.76
  5. Step 5: Solve for x
    x = 261,486,588.76/14,672.57
  6. Step 6: Final answer
    x = 17,821.46

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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.