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Finding the Fourth Proportional to 14,602.33, 20,108.76 and 12,687.26

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Solution

The fourth proportional to 14,602.33, 20,108.76 and 12,687.26 is: 17,471.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,602.33 : 20,108.76 = 12,687.26 : x
  2. Step 2: Convert to fraction form
    14,602.33/20,108.76 = 12,687.26/x
  3. Step 3: Cross multiply
    14,602.33x = 20,108.76 × 12,687.26
  4. Step 4: Simplify right side
    14,602.33x = 255,125,066.40
  5. Step 5: Solve for x
    x = 255,125,066.40/14,602.33
  6. Step 6: Final answer
    x = 17,471.54

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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.