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Finding the Fourth Proportional to 14,027.68, 21,070.68 and 11,126.26

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Solution

The fourth proportional to 14,027.68, 21,070.68 and 11,126.26 is: 16,712.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,027.68 : 21,070.68 = 11,126.26 : x
  2. Step 2: Convert to fraction form
    14,027.68/21,070.68 = 11,126.26/x
  3. Step 3: Cross multiply
    14,027.68x = 21,070.68 × 11,126.26
  4. Step 4: Simplify right side
    14,027.68x = 234,437,703.07
  5. Step 5: Solve for x
    x = 234,437,703.07/14,027.68
  6. Step 6: Final answer
    x = 16,712.51

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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.