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Finding the Fourth Proportional to 14,163, 21,327.14 and 10,491.27

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Solution

The fourth proportional to 14,163, 21,327.14 and 10,491.27 is: 15,798.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,163 : 21,327.14 = 10,491.27 : x
  2. Step 2: Convert to fraction form
    14,163/21,327.14 = 10,491.27/x
  3. Step 3: Cross multiply
    14,163x = 21,327.14 × 10,491.27
  4. Step 4: Simplify right side
    14,163x = 223,748,731.61
  5. Step 5: Solve for x
    x = 223,748,731.61/14,163
  6. Step 6: Final answer
    x = 15,798.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.