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Finding the Fourth Proportional to 14,811.05, 22,026.13 and 14,343.83

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Solution

The fourth proportional to 14,811.05, 22,026.13 and 14,343.83 is: 21,331.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,811.05 : 22,026.13 = 14,343.83 : x
  2. Step 2: Convert to fraction form
    14,811.05/22,026.13 = 14,343.83/x
  3. Step 3: Cross multiply
    14,811.05x = 22,026.13 × 14,343.83
  4. Step 4: Simplify right side
    14,811.05x = 315,939,124.78
  5. Step 5: Solve for x
    x = 315,939,124.78/14,811.05
  6. Step 6: Final answer
    x = 21,331.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.