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Finding the Fourth Proportional to 14,805.80, 22,126.81 and 13,263.96

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Solution

The fourth proportional to 14,805.80, 22,126.81 and 13,263.96 is: 19,822.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,805.80 : 22,126.81 = 13,263.96 : x
  2. Step 2: Convert to fraction form
    14,805.80/22,126.81 = 13,263.96/x
  3. Step 3: Cross multiply
    14,805.80x = 22,126.81 × 13,263.96
  4. Step 4: Simplify right side
    14,805.80x = 293,489,122.77
  5. Step 5: Solve for x
    x = 293,489,122.77/14,805.80
  6. Step 6: Final answer
    x = 19,822.58

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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.